A089956 - OEIS

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A089956

Number of chess games that end in check (but not checkmate) after exactly n plies.

0, 0, 0, 12, 461, 27004, 798271, 32668081, 959129557, 35695709940, 1078854669486, 39147687661803 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	LINKS	`F. Labelle, Statistics on chess games` `Index entries for sequences related to number of chess games`
	CROSSREFS	`Cf. A079485, A048987.` `Sequence in context: A202799 A121348 A112363 * A178217 A003749 A012395` `Adjacent sequences: A089953 A089954 A089955 * A089957 A089958 A089959`
	KEYWORD	`nonn,hard`
	AUTHOR	`Francois Labelle (flab(AT)cs.berkeley.edu), Jan 12 2004`
	EXTENSIONS	`a(11) from Francois Labelle (flab(AT)cs.berkeley.edu), Jul 25 2004, who thanks Joost de Heer for providing computer time.`

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Last modified February 17 09:41 EST 2012. Contains 206009 sequences.