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A147107 Number of n X n binary arrays with all ones connected only in a 1000-1000-1111-0010 pattern in any orientation. 0
1, 1, 1, 9, 33, 105, 733, 10341, 272153, 6151437, 211017885, 12082565577, 1120607764115 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

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

EXAMPLE

Maximal 8 X 8 example

.0.0.1.0.1.1.1.0

.1.1.1.1.0.0.1.0

.1.0.0.0.0.0.1.1

.1.0.0.0.0.0.1.0

.0.1.0.0.0.0.0.1

.1.1.0.0.0.0.0.1

.0.1.0.0.1.1.1.1

.0.1.1.1.0.1.0.0

CROSSREFS

Sequence in context: A036543 A147269 A147123 * A147115 A147261 A197359

Adjacent sequences:  A147104 A147105 A147106 * A147108 A147109 A147110

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 04 2008

STATUS

approved

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Last modified May 24 21:08 EDT 2022. Contains 354043 sequences. (Running on oeis4.)