Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A089990
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A089990 a(n) = n step nested walk based on (A004001[n]+ (-1)^lastsum) +0
2
1, 0, 2, 2, 0, 3, 1, 1, 0, 3, 1, 1, 1, 0, 4, 4, 4, 4, 4, 0, 5, 3, 3, 3, 3, 3, 0, 5, 3, 3, 3, 3, 3, 3, 0, 5, 3, 3, 3, 3, 3, 3, 3, 0, 6, 6, 6, 6, 6, 6, 6, 6, 6, 0, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 0, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 0, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 0, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 0, 9 (list; graph; listen)
OFFSET

1,3

COMMENT

A walk based on A004001.

MATHEMATICA

Conway[n_Integer?Positive] := Conway[n] =Conway[Conway[n-1]] + Conway[n - Conway[n-1]] Conway[1] = Conway[2] = 1 digits=20 b=Table[Conway[n], {n, 1, digits}] ChaosWalk[n_Integer?Positive] := NestList[(b[[n]]+(-1)^#)&, 0, n] ChaosWalk[1]=1 a=Flatten[Table[ChaosWalk[n], {n, 1, digits}]]

CROSSREFS

Cf. A004001, A089991.

Adjacent sequences: A089987 A089988 A089989 this_sequence A089991 A089992 A089993

Sequence in context: A123515 A058648 A112174 this_sequence A071427 A093949 A108807

KEYWORD

nonn

AUTHOR

Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Jan 14 2004

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 | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified October 6 16:13 EDT 2008. Contains 144667 sequences.


AT&T Labs Research