id:A069423 - OEIS Search Results

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Number of n X 3 binary arrays with a path of adjacent 1's and no path of adjacent 0's from top row to bottom row.

+0
1

1, 19, 147, 907, 5149, 28159, 151331, 806463, 4280141, 22670199, 119955523 (list; graph; listen)

	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: A002615 A081590 A093646 this_sequence A162872 A157682 A153692` `Adjacent sequences: A069420 A069421 A069422 this_sequence A069424 A069425 A069426`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Mar 22 2002.`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.