A124006 Number of Othello positions with unique realization at the end of the n-th ply.

1, 4, 12, 52, 228, 1192, 6160, 33344, 191380, 1072232, 6416600, 35990544, 212278256, 1145811772

Offset

0,2

Links

Table of n, a(n) for n=0..13.

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, 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

a(13) from Dominic Hofer, Feb 11 2022

Status

approved