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A124006 Number of Othello positions with unique realization at the end of the n-th ply. 4
1, 4, 12, 52, 228, 1192, 6160, 33344, 191380, 1072232, 6416600, 35990544, 212278256 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..12.

Alain Brobecker, Othello and retrograde analysis (pdf)

Alain Brobecker, programs to generate sequences

Alain Brobecker, othello.c

CROSSREFS

Cf. A124004, A124005.

Sequence in context: A109499 A282587 A188230 * A215524 A034716 A129841

Adjacent sequences:  A124003 A124004 A124005 * A124007 A124008 A124009

KEYWORD

fini,hard,more,nonn

AUTHOR

Alain Brobecker (abrobecker(AT)yahoo.com), Nov 01 2006

EXTENSIONS

a(8)-a(9) from Alain Brobecker, Dec 30 2006

Edited by Charles R Greathouse IV, Oct 28 2009

a(10)-a(12) from Dominic Hofer, Sep 27 2019

STATUS

approved

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Last modified October 25 11:29 EDT 2021. Contains 348251 sequences. (Running on oeis4.)