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A147363 Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 01110-11111 pattern in any orientation. 0
1, 1, 1, 1, 1, 3, 10, 29, 94, 317, 1198, 6765, 47364, 374535, 3411133, 34790832, 407506091, 5940149025, 105319233307, 2203658353952, 54294696366064, 1560466368060039, 52336543507272089 (list; graph; refs; listen; history; internal format)
OFFSET

1,6

EXAMPLE

Maximal 8 X 8 example

.0.1.1.1.1.1.0.0

.1.0.1.1.1.0.0.0

.1.1.0.0.0.0.0.1

.1.1.0.0.0.0.1.1

.1.1.0.0.0.0.1.1

.1.0.0.0.0.0.1.1

.0.0.0.1.1.1.0.1

.0.0.1.1.1.1.1.0

CROSSREFS

Sequence in context: A048493 A096140 A052976 * A147226 A147062 A146384

Adjacent sequences:  A147360 A147361 A147362 * A147364 A147365 A147366

KEYWORD

nonn

AUTHOR

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

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.