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A146690
Number of n X n binary arrays with all ones connected only in a 1100-1100-0111 pattern in any orientation.
0
1, 1, 1, 17, 57, 337, 3641, 94309, 2415539, 84963203, 5127056685, 535357644345, 78543418275739
OFFSET
1,4
EXAMPLE
Maximal 8 X 8 example
.0.1.1.1.0.1.1.0
.1.1.0.0.0.1.1.1
.1.1.0.0.0.0.0.1
.0.0.0.0.0.0.0.1
.0.0.0.0.0.1.1.0
.0.0.1.1.0.1.1.1
.0.0.1.1.0.0.0.1
.0.0.0.1.1.1.0.1
CROSSREFS
Sequence in context: A146650 A147131 A147162 * A146437 A146783 A146570
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 04 2008
STATUS
approved