A069427 - OEIS

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A069427

Number of n X 7 binary arrays with a path of adjacent 1's and no path of adjacent 0's from top row to bottom row.

1, 2059, 509019, 77892523, 9681281781 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	LINKS	`Table of n, a(n) for n=1..5.`
	CROSSREFS	`Cf. 2 X n A001047, n X 2 A034182, 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: A074996 A045055 A202418 * A184227 A203351 A106719` `Adjacent sequences: A069424 A069425 A069426 * A069428 A069429 A069430`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Mar 22 2002.`
	STATUS	`approved`

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Last modified June 20 04:02 EDT 2013. Contains 226418 sequences.