A069424 - OEIS

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A069424

Number of n X 4 binary arrays with a path of adjacent 1's and no path of adjacent 0's from top row to bottom row.

1, 65, 1231, 17339, 217253, 2575297, 29682643, 337104939 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	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: A144500 A086021 A168029 * A086029 A183271 A197088` `Adjacent sequences: A069421 A069422 A069423 * A069425 A069426 A069427`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net), Mar 22 2002.`

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Last modified February 17 04:33 EST 2012. Contains 205978 sequences.