A069380 Number of n X 5 binary arrays with a path of adjacent 1's from top row to bottom row.

31, 781, 18621, 433809, 10056959, 232824241, 5388274121, 124693133113, 2885579381831, 66776768695477, 1545323639404349, 35761396310047985, 827579980089997079, 19151628770974955241, 443201843190147840905

Offset

1,1

Links

Sean A. Irvine, Table of n, a(n) for n = 1..200

Crossrefs

Column 5 of A359576.

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: A096049 A166488 A051587 * A006111 A183828 A180847

Adjacent sequences: A069377 A069378 A069379 * A069381 A069382 A069383

Keyword

nonn,changed

Author

R. H. Hardin, Mar 22 2002

Status

approved