id:A126106 - OEIS Search Results

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Record values in A092693 = sum of iterated phi(n).

+0
1

0, 1, 3, 7, 9, 17, 19, 31, 39, 47, 55, 71, 85, 91, 105, 109, 111, 117, 153, 159, 171, 197, 209, 263, 319, 337, 417, 423, 511, 527, 551, 641, 695, 707, 761, 767, 779, 889, 923, 991, 1001, 1007, 1101, 1151, 1413, 1495, 1515, 1647, 1695, 1711, 1719, 1739, 1889 (list; graph; listen)

	OFFSET	`1,3`
	MATHEMATICA	`lst = {}; mim = -1; Do[a = Plus @@ FixedPointList[EulerPhi, n] - n - 1; If[a > mim, mim = a; AppendTo[lst, a]], {n, 1100}]; lst`
	CROSSREFS	`Cf. A092693.` `Sequence in context: A057463 A118258 A117583 this_sequence A064194 A036978 A079464` `Adjacent sequences: A126103 A126104 A126105 this_sequence A126107 A126108 A126109`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 20 2007`

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Last modified March 17 15:31 EDT 2010. Contains 173524 sequences.

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