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A125528 Number of different Othello shapes at the end of the n-th ply. 0
1, 4, 12, 54, 220, 1130, 5568, 26966, 132037, 589652 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..9.

Alain Brobecker, Othello and retrograde analysis (pdf)

Alain Brobecker, programs to generate sequences

CROSSREFS

Cf. A124004, A124005, A124006.

Sequence in context: A149416 A149417 A151478 * A124005 A149418 A149419

Adjacent sequences:  A125525 A125526 A125527 * A125529 A125530 A125531

KEYWORD

fini,hard,nonn

AUTHOR

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

EXTENSIONS

Edited by Charles R Greathouse IV, Oct 28 2009

STATUS

approved

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Last modified October 14 18:28 EDT 2019. Contains 328022 sequences. (Running on oeis4.)