A147360 - OEIS

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A147360

Number of n X n binary arrays with all ones connected only in a 01110-11111 pattern in any orientation.

1, 1, 1, 1, 25, 141, 756, 10461, 137862, 2668563, 89609916, 3827996725, 213188142328

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

OFFSET

1,5

LINKS

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

EXAMPLE

Maximal 8 X 8 example

.1.1.1.1.1.0.0.0

.0.1.1.1.0.0.0.0

.0.0.0.0.0.0.0.1

.1.0.0.0.0.0.1.1

.1.1.0.0.0.0.1.1

.1.1.0.1.1.1.0.1

.1.0.1.1.1.1.1.0

CROSSREFS

Sequence in context: A240415 A113524 A147505 * A147223 A184057 A235713

Adjacent sequences: A147357 A147358 A147359 * A147361 A147362 A147363

KEYWORD

nonn

AUTHOR

R. H. Hardin

STATUS

approved