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A125528 Number of different othello shapes at the end of the n-th plie. +0
1
1, 4, 12, 54, 220, 1130, 5568, 26966, 132037, 589652 (list; graph; listen)
OFFSET

0,2

LINKS

Alain Brobecker, Othello and retrograde analysis (pdf)

Alain Brobecker, programs to generate sequences

CROSSREFS

Cf. A124004, A124005, A124006.

Sequence in context: A149416 A149417 A151478 this_sequence A124005 A149418 A149419

Adjacent sequences: A125525 A125526 A125527 this_sequence A125529 A125530 A125531

KEYWORD

fini,hard,nonn,new

AUTHOR

Alain Brobecker (abrobecker(AT)yahoo.com), Dec 30 2006

EXTENSIONS

Edited by Charles R Greathouse IV (charles.greathouse(AT)case.edu), Oct 28 2009

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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