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, 237352251546695064748799, 50795719326331833996195206079, 9696254618636612444218190874702879, 1713983459379227954401499595005207140375, 286972358244899249912531978641142152093799951

Offset: 1

Author

R. H. Hardin, Mar 22 2002

Keywords

• nonn

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.

Extensions

a(5)-a(9) from Sean A. Irvine, Apr 30 2024