A147059 Number of n X n binary arrays with all ones connected only in a 01010-11111 pattern in any orientation.

1, 1, 1, 1, 25, 153, 1076, 13889, 185108, 4253039, 156271576, 7383352471, 487631498606

Offset

1,5

Links

Table of n, a(n) for n=1..13.

Example

Maximal 8 X 8 example
.0.0.0.1.1.1.1.1
.0.0.0.0.1.0.1.0
.1.0.0.0.0.0.0.0
.1.1.0.0.0.0.0.0
.1.0.1.1.1.1.1.0
.1.1.0.1.0.1.0.0
.1.0.0.0.1.0.1.0
.0.0.0.1.1.1.1.1

Crossrefs

Sequence in context: A215760 A362314 A305687 * A317067 A031211 A049522

Adjacent sequences: A147056 A147057 A147058 * A147060 A147061 A147062

Keyword

nonn

Author

R. H. Hardin, Nov 04 2008

Status

approved