Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A105244
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A105244 Functional substitution on {1,2,3}. +0
1
1, 2, 3, 3, 1, 1, 2, 2, 1, 1, 1, 1, 3, 2, 1, 2, 1, 1, 1, 2, 1, 3, 1, 1, 2, 2, 1, 1, 1, 1, 3, 2, 1, 2, 1, 1, 1, 2, 1, 3, 1, 1, 2, 2, 1, 1, 1, 1, 3, 2, 1, 2, 1, 1, 1, 2, 1, 3, 1, 1, 2, 2, 1, 1, 1, 1, 3, 2, 1, 2, 1, 1, 1, 2, 1, 3, 1, 1, 2, 2, 1, 1, 1, 1, 3, 2, 1, 2, 1, 1, 1, 2, 1, 3, 1, 1, 2, 2, 1, 1, 1, 1, 3, 2, 1 (list; graph; listen)
OFFSET

1,2

COMMENT

Based on a prime digits function modulo 10, reduced here to modulo 3.

FORMULA

ar={1, 2, 3} a(n)=b(m, i) = 1 + Mod[ar[[i]]*(1 + Mod[m, 3]), 3]

MATHEMATICA

ar = {1, 2, 3} f[n_] := 1 + Mod[ar*(1 + Mod[n, 3]), 3] br = NestList[f, ar, Floor[200/3]] a = Flatten[br]

CROSSREFS

Sequence in context: A124798 A005135 A139460 this_sequence A145854 A097663 A066517

Adjacent sequences: A105241 A105242 A105243 this_sequence A105245 A105246 A105247

KEYWORD

nonn,uned

AUTHOR

Roger Bagula (rlbagulatftn(AT)yahoo.com), Apr 12 2005

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | The OEIS Foundation | Maintained by N. J. A. Sloane (njas@research.att.com)

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


AT&T Labs Research