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Search: id:A098502
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A098502 16n - 4. +0
1
12, 28, 44, 60, 76, 92, 108, 124, 140, 156, 172, 188, 204, 220, 236, 252, 268, 284, 300, 316, 332, 348, 364, 380, 396, 412, 428, 444, 460, 476, 492, 508, 524, 540, 556, 572, 588, 604, 620, 636, 652, 668, 684, 700, 716, 732, 748, 764 (list; graph; listen)
OFFSET

1,1

COMMENT

For n>3, the number of squares on the infinite 4-column chessboard at <=n knight moves from any fixed start point.

LINKS

Tanya Khovanova, Recursive Sequences

CROSSREFS

Cf. A098498, A017629, A008590.

Sequence in context: A108405 A044073 A044454 this_sequence A107707 A126195 A034319

Adjacent sequences: A098499 A098500 A098501 this_sequence A098503 A098504 A098505

KEYWORD

nonn

AUTHOR

Ralf Stephan (ralf(AT)ark.in-berlin.de), Sep 15 2004

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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