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A146365 Number of n X n binary arrays with all ones connected only in a 0100-1111-0010 pattern in any orientation. 0
1, 1, 1, 9, 25, 125, 1323, 18755, 388143, 11998517, 573092271, 41661958269, 4471274578309, 730746269407465, 180950069008864743 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

EXAMPLE

Maximal 8 X 8 example

.0.1.0.0.0.1.0.0

.0.1.1.0.1.1.1.1

.1.1.0.0.0.0.1.0

.0.1.0.0.0.0.0.0

.0.0.1.0.0.0.0.0

.0.0.1.1.0.0.1.0

.0.1.1.0.1.1.1.1

.0.0.1.0.0.1.0.0

CROSSREFS

Sequence in context: A108570 A092769 A139818 * A146373 A084605 A098773

Adjacent sequences:  A146362 A146363 A146364 * A146366 A146367 A146368

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 19:15 EST 2012. Contains 205852 sequences.