A163051 Number of n X 7 binary arrays with all 1's connected, and all corners 1.

1, 99, 7484, 536950, 39005563, 2858390497, 210133770712, 15460898730570

Offset

1,2

Links

Table of n, a(n) for n=1..8.

Crossrefs

Sequence in context: A197528 A196221 A069363 * A093233 A213155 A046173

Adjacent sequences: A163048 A163049 A163050 * A163052 A163053 A163054

Keyword

nonn

Author

R. H. Hardin, Jul 20 2009

Status

approved