A102784 - OEIS

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A102784

In chess, the number of "at home" dual-free proof games in n plies.

1, 0, 0, 0, 0, 0, 0, 0, 10, 41, 116, 335, 1111, 2619, 6067 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,9`
	COMMENTS	`Among all the proof game problems counted in A090051, this is the number of problems where all the surviving pieces are apparently on their start squares.`
	LINKS	`A. Buchanan, "At Home" proof games` `F. Labelle, Statistics on "at home" diagrams` `F. Labelle, Mailing list posting about the computation up to ply 14`
	CROSSREFS	`Cf. A090051.` `Sequence in context: A022278 A006323 A178073 * A061003 A048879 A089211` `Adjacent sequences: A102781 A102782 A102783 * A102785 A102786 A102787`
	KEYWORD	`hard,nonn`
	AUTHOR	`Francois Labelle (flab(AT)cs.berkeley.edu), Feb 11 2005`

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Last modified February 15 10:06 EST 2012. Contains 205763 sequences.