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A124004
Number of possible Reversi games at the end of the n-th ply.
5
1, 4, 12, 56, 244, 1396, 8200, 55092, 390216, 3005288, 24571056, 212258216, 1939879668, 18429618408, 184041761768, 1891831332208, 20301171282452, 222742563853912, 2534535926617852, 29335558770589276, 349980362625040712, 4228388321175157140
OFFSET
0,2
COMMENTS
Reversi is the older name for the game. Othello is a more recent trade name.
CROSSREFS
Sequence in context: A149423 A295496 A164575 * A243785 A019266 A009114
KEYWORD
fini,hard,nonn
AUTHOR
Alain Brobecker (abrobecker(AT)yahoo.com), Nov 01 2006, Dec 30 2006
EXTENSIONS
a(15)-a(18) from Paul Byrne, Mar 08 2008
Edited by Charles R Greathouse IV, Oct 28 2009
a(19) from Dominic Hofer, Oct 21 2014
a(20) from Dominic Hofer, Jan 11 2021
a(21) from Dominic Hofer, Feb 11 2021
STATUS
approved