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A147505 Number of n X n binary arrays with all ones connected only in a 11110-01111 pattern in any orientation. 0
1, 1, 1, 1, 25, 141, 673, 9515, 128879, 2409621, 79940355, 3359119595, 180620195725 (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

.0.0.0.1.1.1.1.0

.0.1.0.0.1.1.1.1

.1.1.0.0.0.0.0.0

.1.1.0.0.0.0.0.1

.1.1.0.0.0.0.1.1

.1.0.0.0.0.0.1.1

.0.1.1.1.1.0.1.1

.1.1.1.1.0.0.1.0

CROSSREFS

Sequence in context: A233368 A240415 A113524 * A147360 A147223 A184057

Adjacent sequences:  A147502 A147503 A147504 * A147506 A147507 A147508

KEYWORD

nonn

AUTHOR

R. H. Hardin

STATUS

approved

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Last modified May 19 08:11 EDT 2022. Contains 353826 sequences. (Running on oeis4.)