A069388 Number of n X 13 binary arrays with a path of adjacent 1's from top row to bottom row.

8191, 65514541, 492202181661, 3497001564166609, 24022705580163949439, 161857825276476548906497, 1078636993747832299068001753, 7143459701634079128687197933529, 47141832001173360326967315743610399, 310483731281930913496743767372933055053

Offset

1,1

Links

Table of n, a(n) for n=1..10.

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: A022529 A161024 A022195 * A069414 A289477 A222527

Adjacent sequences: A069385 A069386 A069387 * A069389 A069390 A069391

Keyword

nonn

Author

R. H. Hardin, Mar 22 2002

Extensions

More terms from Sean A. Irvine, Apr 30 2024

Status

approved