A069402 - OEIS

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A069402

Half the number of 9 X n binary arrays with a path of adjacent 1's and a path of adjacent 0's from top row to bottom row.

1, 8361, 22372413, 34777826197 (list; graph; refs; listen; history; internal format)

	OFFSET	`2,2`
	CROSSREFS	`Cf. 1 X n A000225, 2 X n A016269, vertical path of 1 A069361-A069395, vertical paths of 0+1 A069396-A069416, vertical path of 1 not 0 A069417-A069428, no vertical paths A069429-A069447, no horizontal or vertical paths A069448-A069452.` `Sequence in context: A124415 A031947 A049357 * A202588 A139005 A093221` `Adjacent sequences: A069399 A069400 A069401 * A069403 A069404 A069405`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net), Mar 22 2002.`

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Last modified February 14 06:53 EST 2012. Contains 205577 sequences.