A147099 - OEIS

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A147099

Number of n X n binary arrays with all ones connected only in a 1000-1000-1100-0111 pattern in any orientation.

1, 1, 1, 5, 19, 87, 379, 2665, 39873, 702997, 16924511, 488669357, 20594345627, 1281423969679

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,4

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

Maximal 8 X 8 example

.0.0.0.0.1.1.1.0

.0.1.1.1.0.0.1.1

.1.1.0.0.0.0.0.1

.1.0.0.0.0.0.0.1

.1.0.1.0.1.1.1.0

.0.0.1.0.0.0.1.1

.0.0.1.1.0.0.0.1

.0.0.0.1.1.1.0.1

CROSSREFS

Sequence in context: A149798 A149799 A149800 * A323788 A351373 A154598

Adjacent sequences: A147096 A147097 A147098 * A147100 A147101 A147102

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 04 2008

STATUS

approved