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A147397 Number of n X n binary arrays with all ones connected only in a 1000-1110-0111-0001 pattern in any orientation. 0
1, 1, 1, 5, 17, 45, 217, 1729, 28581, 422837, 7769557, 212491441, 9353130173, 579241228119 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

EXAMPLE

Maximal 8 X 8 example

.1.1.0.0.1.1.0.0

.0.1.1.0.0.1.1.0

.0.1.1.0.0.1.1.0

.0.0.1.1.0.0.1.1

.1.0.0.0.1.0.0.0

.1.1.1.0.1.1.1.0

.0.1.1.1.0.1.1.1

.0.0.0.1.0.0.0.1

CROSSREFS

Sequence in context: A133252 A048612 A147050 * A147193 A147043 A146264

Adjacent sequences:  A147394 A147395 A147396 * A147398 A147399 A147400

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net)

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Last modified February 17 06:13 EST 2012. Contains 205991 sequences.