A069390 Number of n X 15 binary arrays with a path of adjacent 1's from top row to bottom row.

32767, 1059392917, 32599584662597, 950437243856526737, 26706726258154287563903

Offset

1,1

Links

Table of n, a(n) for n=1..5.

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: A075962 A022531 A161157 * A069416 A289478 A222528

Adjacent sequences: A069387 A069388 A069389 * A069391 A069392 A069393

Keyword

nonn

Author

R. H. Hardin, Mar 22 2002

Status

approved