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A147346

Number of n X n binary arrays with all ones connected only in a 01010-11111-00100 pattern in any orientation.

1, 1, 1, 1, 13, 49, 229, 1867, 20463, 291821, 6315721, 181852653, 7128512813, 395610811947

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

OFFSET

1,5

LINKS

EXAMPLE

Maximal 8 X 8 example

.0.1.0.1.0.0.1.0

.1.1.1.1.1.0.1.1

.0.0.1.0.0.1.1.0

.0.1.0.0.0.0.1.1

.1.1.0.0.0.0.1.0

.0.1.1.0.0.1.0.0

.1.1.0.1.1.1.1.1

.0.1.0.0.1.0.1.0

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved