id:A090224 - OEIS Search Results

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Number of possible positions for n men on a standard 7 X 6 board of Connect-Four.

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1, 7, 56, 252, 1260, 4620, 18480, 59815, 206780, 605934, 1869840, 5038572, 14164920, 35459424, 91871208, 214864650, 516936420, 1134183050, 2546423880, 5252058812, 11031780760, 21406686756, 42121344720, 76871042612 (list; graph; listen)

	OFFSET	`0,2`
	REFERENCES	`Allis, V. "A Knowledge-Based Approach of Connect-Four--The Game Is Solved: White Wins." http://www.connectfour.net/Files/connect4.pdf`
	LINKS	`Eric Weisstein's World of Mathematics, Connect-Four`
	CROSSREFS	`Sequence in context: A097254 A043911 A044526 this_sequence A047664 A055345 A082140` `Adjacent sequences: A090221 A090222 A090223 this_sequence A090225 A090226 A090227`
	KEYWORD	`nonn,fini,nice`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com), Nov 24, 2003`

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.

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