A069451 - OEIS

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A069451

Half the number of 6 X n binary arrays with no path of adjacent 1's or adjacent 0's from top to bottom or side to side.

31, 10123, 1389619, 127780201, 9622763387 (list; graph; refs; listen; history; internal format)

	OFFSET	`2,1`
	CROSSREFS	`Cf. 2 X n A000225, 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: A135811 A119598 A139295 * A073099 A074218 A161395` `Adjacent sequences: A069448 A069449 A069450 * A069452 A069453 A069454`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net), Mar 22 2002.`

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Last modified February 15 05:15 EST 2012. Contains 205694 sequences.