A147384 Number of n X n binary arrays with all ones connected only in a 10001-11111-00100 pattern in any orientation.

1, 1, 1, 1, 13, 57, 241, 1493, 15662, 167561, 3201536, 81713399, 2408694438, 99639130001

Offset

1,5

Links

Table of n, a(n) for n=1..14.

Example

Maximal 8 X 8 example
.1.0.0.0.1.0.1.1
.1.1.1.1.1.0.1.0
.0.0.1.0.0.1.1.0
.1.1.0.0.0.0.1.0
.0.1.0.0.0.0.1.1
.0.1.1.0.0.1.0.0
.0.1.0.1.1.1.1.1
.1.1.0.1.0.0.0.1

Crossrefs

Sequence in context: A218593 A358303 A212405 * A147011 A147019 A230988

Adjacent sequences: A147381 A147382 A147383 * A147385 A147386 A147387

Keyword

nonn

Author

R. H. Hardin

Status

approved