id:A069379 - OEIS Search Results

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Number of n X 4 binary arrays with a path of adjacent 1's from top row to bottom row.

+0
1

15, 175, 1985, 22193, 247759, 2764991, 30856705, 344356289, 3842988975, 42887577455, 478623939553, 5341429762353, 59610217019311, 665248512113343, 7424156719466465, 82853403589520257, 924641917817567951 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. 1 X n A000225, 2 X n A005061, n X 2 A001333, 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: A016164 A000482 A145147 this_sequence A120995 A024197 A071535` `Adjacent sequences: A069376 A069377 A069378 this_sequence A069380 A069381 A069382`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Mar 22 2002.`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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