A147318 - OEIS

A147318

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

1, 1, 1, 1, 9, 25, 65, 339, 3162, 37799, 493077, 7275441, 148345435, 4388356223

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,5

LINKS

EXAMPLE

Maximal 8 X 8 example

.1.1.1.1.1.0.0.1

.0.0.1.0.0.0.0.1

.0.0.1.0.1.1.1.1

.1.0.1.0.0.0.0.1

.1.0.0.0.0.1.0.1

.1.1.1.1.0.1.0.0

.1.0.0.0.0.1.0.0

.1.0.0.1.1.1.1.1

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved