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A089956
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Number of chess games that end in check (but not checkmate) after exactly n plies.
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1
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0, 0, 0, 12, 461, 27004, 798271, 32668081, 959129557, 35695709940, 1078854669486, 39147687661803, 1224448528652016, 44252532348552226
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OFFSET
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0,4
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LINKS
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CROSSREFS
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KEYWORD
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nonn,hard,fini
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AUTHOR
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EXTENSIONS
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a(11) from François Labelle, Jul 25 2004, who thanks Joost de Heer for providing computer time.
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STATUS
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approved
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