percolation series (1):: A006462 , A006731 , A006808 , A006727 , A006461 , A006836 , A006732 , A006734 , A006728 , A006730
percolation series (2):: A006462 , A006731 , A006808 , A006727 , A006461 , A006836 , A006732 , A006734 , A006728 , A006730
percolation series (3):: A006742 , A006738 , A006733 , A006729 , A006837 , A006803 , A006807 , A006804 , A006739 , A006835
percolation series (4):: A006813 , A006809 , A006735 , A006810 , A006838 , A006805 , A006811 , A006740 , A006736 , A006806 , A006812 , A006741 , A006737
perfect lattices: see lattices, perfect
Perfect matchings, A005271
perfect numbers: A000396 *, A002827 * (unitary), A007539 (n-fold)
perfect partitions: A002033 *
perfect powers: A001597 *, A007916 , A023055 , A023057
perfect rulers , sequences related to (start):
perfect rulers: A004137 , A104305 -A104310 , A103294 -A103301
perfect rulers: see also Golomb rulers
perfect years: A061013
Perfect:: A002033 , A004026 , A002839 , A007346 , A007422 , A007357 , A005820
period of continued fraction for sqrt(n), length of: A003285 *, A097853
period of continued fraction for sqrt(n), see: sqrt(n), length of period of continued fraction for
period of reciprocal of n: see 1/n
period of reciprocal of nth prime: see 1/p
Periodic differences:: A002081
Periodic sequences:: A000035 , A000034
periodic table: A007656 *, A058317 , A058318
Periods:: A003285 , A006447 , A006883 , A002329
Permanents:: A003113 , A000794 , A005326 , A003112 , A000804 , A000805
Permutation arrays:: A005677 , A006841
permutation groups: see groups, permutation
permutation, largest order of: A000793 *, A002809
permutations , sequences related to (start):
Permutations, alternating: A000111 *, A007289 , A007286 , A005981 , A006873 , A005982 , A005983
permutations, asymmetric: A000899
Permutations, Baxter, A001183 , A001181 , A001185
Permutations, bitriangular, A006230
permutations, bitriangular: A006230
Permutations, by cycles, A005225 , A005772
Permutations, by descents, A002538 , A002539
Permutations, by distance, A002525 , A002528 , A002524 , A002529 , A002527 , A002526
Permutations, by inversions, A001892 , A000707 , A001893 , A001894 , A005287 , A005283 , A005284 , A005285
Permutations, by length of runs, A001251 , A001252 , A001253 , A000303 , A000402 , A000434 , A000456 , A000467 , A000517
Permutations, by number of peaks, A000487
Permutations, by number of runs, A000352 , A000363 , A000486 , A000506 , A000507
Permutations, by number of sequences, A001759 , A001760
permutations, by numbers of consecutive ascending and descending pairs, triangles of: A001100 , A086856 , A010028
permutations, by numbers of consecutive ascending and descending pairs: A002464 , A086852 , A086853 , A086854 , A086855 , A001266 , A000130 , A000349 , A001267 , A001268
Permutations, by order, A001472 , A005388 , A001471 , A001470 , A001189 , A001473
Permutations, by rises, A000130 , A000239 , A001277 , A000274 , A000544 , A001279 , A000313 , A000349 , A001260 , A001261 , A001266 , A001267 , A001278 , A001268 , A001280 , A001282
Permutations, by spread, A004206 , A004205 , A004204
Permutations, by subsequences, A002628 , A005802 , A002629 , A002630 , A003316 , A001454 , A001455 , A001456 , A001457 , A001458
permutations, connected: A003319
Permutations, cycles in, A006694
Permutations, descending subsequences of, A006219 , A006220
Permutations, discordant, A002634 , A000183 , A002633 , A000270 , A000380 , A000388 , A000561 , A000440 , A000562 , A000470 , A000563 , A000476 , A000492 , A000564 , A000500 , A000565
permutations, even: A001710 *, A003221 , A000704
permutations, graceful: A006967
permutations, indecomposable: A003319
Permutations, inequivalent, A003510
Permutations, inversions in, A000140
Permutations, isolated reformed, A007712
Permutations, key, A003274
Permutations, maximal order of, A000793 , A002809
Permutations, m\'{e}nage, A002484
Permutations, necklace, A003322
Permutations, odd, A001465
permutations, of n letters: A000142 *
permutations, of order 2: A001189 *, A001185 *
permutations, of order dividing k, for k=2,3,4,5,... (1): A000085 A001470 A001472 A053495 A053496 A053497 A053498 A053499 A053500 A053501
permutations, of order dividing k, for k=2,3,4,5,... (2): A053502 A053503 A053504 A053505 A005388
permutations, of the positive (or nonnegative) integers , (start):
permutations, of the integers, each paired with its inverse: ( 1) A003188 -A006068 A004484 -A064206 A004485 -A064207 A004486 -A064208 A004487 -A064211 A029654 -A064360
permutations, of the integers, each paired with its inverse: ( 2) A064413 -A064664 A032447 -A064275 A035312 -A035358 A035506 -A064357 A035513 -A064274 A047708 -A048850
permutations, of the integers, each paired with its inverse: ( 3) A048672 -A064273 A048673 -A064216 A048679 -A048680 A052330 -A064358 A059900 -A059884
permutations, of the integers, each paired with its inverse: ( 4) A052331 -A064359 A054238 -A054239 A054424 -A054426 A054427 -A054428 A064706 -A064707 A034175 -A064928
permutations, of the integers, each paired with its inverse: ( 5) A064929 -A064930 A057027 -A064578 A054082 -A064579 A065164 -A065168 A065165 -A065169 A065166 -A065170
permutations, of the integers, each paired with its inverse: ( 6) A065171 -A065172 A065174 -A065175 A065181 -A065182 A065183 -A065184 A065186 -A065187 A065188 -A065189
permutations, of the integers, each paired with its inverse: ( 7) A006368 -A006369 A057114 -A057115 A054084 -A064786 A053212 -A064787
permutations, of the integers, each paired with its inverse: ( 8) A060736 -A064788 A054068 -A054069 A057028 -A064789
permutations, of the integers, each paired with its inverse: ( 9) A060734 -A064790 A064537 -A064791 A064736 -A064745 A065249 -A065250 A065259 -A065260
permutations, of the integers, each paired with its inverse: (10) A065263 -A065264 A065265 -A065266 A065269 -A065270 A065271 -A065272 A065275 -A065276 A065277 -A065278
permutations, of the integers, each paired with its inverse: (11) A065281 -A065282 A065283 -A065284 A065287 -A065288 A065289 -A065290 A065253 -A065254 A065306 -A065307
permutations, of the integers, each paired with its inverse: (12) A004515 -A065256 A065257 -A065258 A064417 -A064956 A064418 -A064958 A064419 -A064959 A036552 -A065037
permutations, of the integers, each paired with its inverse: (13) A065649 -A065650 A065627 -A065628 A065629 -A065630 A065631 -A065632 A065633 -A065634 A065635 -A065636
permutations, of the integers, each paired with its inverse: (14) A065637 -A065638 A065639 -A065640 A065660 -A065661 A065662 -A065663 A065664 -A065665 A065666 -A065667
permutations, of the integers, each paired with its inverse: (15) A065668 -A065669 A065670 -A065671 A065672 -A065673 A065561 -A065578 A065562 -A065579 A065934 -A065935
permutations, of the integers, each paired with its inverse: (16) A066248 -A066249 A066250 -A066251 A067587 -A066884 A068225 -A068226 A072061 -A072062
permutations, of the integers, each paired with its inverse: (17) A072732 -A072733 A072734 -A072735 A072793 -A072794 A074305 -A074306 A074307 -A074308
permutations, of the integers, each paired with its inverse: (18) A051261 -A077226 A084469 -A084470 A084453 -A084454 A084455 -A084466 A084459 -A084460
permutations, of the integers, each paired with its inverse: (19) A084461 -A084462 A084489 -A084490 A084491 -A084492 A084493 -A084494 A084495 -A084496
permutations, of the integers, each paired with its inverse: (20) A084497 -A084498 A084499 -A084530 A098003 -A098485
permutations, of the integers, induced by Catalan rerankings, each paired with its inverse: (1) A071651 -A071652 , A071653 -A071654 , A072634 -A072635 , A072636 -A072637 , A072656 -A072657 , A072658 -A072659
permutations, of the integers, induced by Catalan rerankings, each paired with its inverse: (2) A072646 -A072647 , A072787 -A072788 , A072764 -A072765 , A072766 -A072767 , A075161 -A075162 , A075168 -A075169
permutations, of the integers, self-inverse: (1) A000027 A002251 A003100 A004442 A011262 A014681 A018220 A018221 A018222
permutations, of the integers, self-inverse: (2) A019444 A020703 A026239 A038722 A048647 A054429 A054430 A056023
permutations, of the integers, self-inverse: (3) A056011 A059893 A061579 A064429 A064505 A064614 A065190
permutations, of the integers, signature-permutations induced by Catalan automorphisms, (start):
permutations, of the integers, signature-permutations of Catalan automorphisms, (01) A057163 A057164 A057508 A069766 A069769 A069770 A069771 A069772 A069787 A069888 A069889
permutations, of the integers, signature-permutations of Catalan automorphisms, (02) A072796 A072797 A073280 A073281 A082313 A082314
permutations, of the integers, signature-permutations of Catalan automorphisms, (03) A057117 -A057118 A057161 -A057162 A057501 -A057502 A057503 -A057504 A057505 -A057506 A057509 -A057510
permutations, of the integers, signature-permutations of Catalan automorphisms, (04) A057511 -A057512 A069767 -A069768 A069773 -A069774 A069775 -A069776 A071661 -A071662 A071663 -A071664
permutations, of the integers, signature-permutations of Catalan automorphisms, (05) A071665 -A071666 A071667 -A071668 A071669 -A071670 A071655 -A071656 A071657 -A071658 A071659 -A071660
permutations, of the integers, signature-permutations of Catalan automorphisms, (06) A072090 -A072091 A072092 -A072093 A072094 -A072095 A072621 -A072622 A072088 -A072089 A073269 -A073270
permutations, of the integers, signature-permutations of Catalan automorphisms, (07) A073282 -A073283 A073284 -A073285 A073286 -A073287 A073288 -A073289 A073194 -A073195 A073196 -A073197
permutations, of the integers, signature-permutations of Catalan automorphisms, (08) A073198 -A073199 A073205 -A073206 A073207 -A073208 A073209 -A073210 A073290 -A073291 A073292 -A073293
permutations, of the integers, signature-permutations of Catalan automorphisms, (09) A073294 -A073295 A073296 -A073297 A073298 -A073299 A074679 -A074680 A074681 -A074682 A074683 -A074684
permutations, of the integers, signature-permutations of Catalan automorphisms, (10) A074685 -A074686 A074687 -A074688 A074689 -A074690 A082315 -A082316 A082317 -A082318 A082319 -A082320
permutations, of the integers, signature-permutations of Catalan automorphisms, (11) A082321 -A082322 A082323 -A082324 A082325 -A082326 A082331 -A082332 A082333 -A082334 A082335 -A082336
permutations, of the integers, signature-permutations of Catalan automorphisms, (12) A082337 -A082338 A082339 -A082340 A082341 -A082342 A082345 -A082346 A082347 -A082348 A082349 -A082350
permutations, of the integers, signature-permutations of Catalan automorphisms, (13) A082351 -A082352 A082353 -A082354 A082355 -A082356 A082357 -A082358 A082359 -A082360
permutations, of the integers, tables of: A003987 A018219 A054081 A065167 A073200
permutations, of the integers: conjectured: A064389
permutations, of the integers: see also A066252 , A066253 , A066254 , A066255
permutations, quasi-alternating: A000708 , A001758
Permutations, restricted, A003407 , A006595 , A003011 , A002777 , A000382 , A007016 , A000496
permutations, self-conjugate: A000085
permutations, self-inverse: A000085 *
permutations, special: A003109 , A003110 , A003111
permutations, square: A003483
permutations, symmetric: A000900 , A000901 , A000902
permutations, unreformed: A007711
permutations, with a square root: A003483
permutations, with fixed points: A002467 *
permutations, with no fixed points: A000166 *
Permutations, with no hits, A003471 , A000316 , A000459
Permutations, with strong fixed points, A006932
permutations, zero-entropy: A006948
Perrin sequence: A001608 *
persistence (additive): A006050 *, A031286 * and A045646 *
persistence (multiplicative): A003001 * and A031346 *