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A146461 Number of n X n binary arrays with all ones connected only in a 1100-0111-0100 pattern in any orientation. 0
1, 1, 1, 17, 49, 361, 6061, 172273, 5274005, 274545571, 26127520797, 3923980431021, 871070091426765 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

EXAMPLE

Maximal 8 X 8 example

.1.0.0.0.0.0.1.0

.1.1.1.0.1.1.1.0

.0.1.0.0.0.0.1.1

.0.1.0.0.1.1.0.0

.0.0.1.1.1.0.1.0

.0.1.0.0.1.0.1.0

.0.1.1.1.0.1.1.1

.1.1.0.0.0.0.0.1

CROSSREFS

Sequence in context: A146698 A146706 A120612 * A098329 A160076 A003124

Adjacent sequences:  A146458 A146459 A146460 * A146462 A146463 A146464

KEYWORD

nonn

AUTHOR

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

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Last modified February 14 00:26 EST 2012. Contains 205567 sequences.