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A124006 Number of othello positions with unique realisation at the end of the n-th plie. 2
1, 4, 12, 52, 228, 1192, 6160, 33344, 191380, 1072232 (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

Alain Brobecker, othello.c

CROSSREFS

Sequence in context: A149412 A109499 A188230 * A215524 A034716 A129841

Adjacent sequences:  A124003 A124004 A124005 * A124007 A124008 A124009

KEYWORD

fini,hard,nonn

AUTHOR

Alain Brobecker (abobecker(AT)yahoo.com), Nov 01 2006, Dec 30 2006

EXTENSIONS

Edited by Charles R Greathouse IV, Oct 28 2009

STATUS

approved

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Last modified May 21 19:04 EDT 2013. Contains 225504 sequences.