A069375 Number of 17 X n binary arrays with a path of adjacent 1's from top row to bottom row.

1, 3880899, 2619907077991, 924641917817567951

Offset

1,2

Links

Table of n, a(n) for n=1..4.

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: A204812 A205421 A183592 * A247088 A204319 A251439

Adjacent sequences: A069372 A069373 A069374 * A069376 A069377 A069378

Keyword

nonn

Author

R. H. Hardin, Mar 22 2002

Status

approved