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A007577
Number of chess games with n plies (another version).
0
1, 20, 400, 8902, 197281, 4865577, 119057155, 3194833218
OFFSET
0,2
CROSSREFS
Cf. A048987.
Sequence in context: A267793 A009964 A285874 * A048987 A006494 A007545
KEYWORD
hard,fini,nonn
AUTHOR
Johan Boye (jb(AT)sectra.se)
EXTENSIONS
I am not sure of the precise rules that were used to compute these numbers. A048987 is the preferred version of this sequence. - N. J. A. Sloane.
STATUS
approved