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A147360
Number of n X n binary arrays with all ones connected only in a 01110-11111 pattern in any orientation.
0
1, 1, 1, 1, 25, 141, 756, 10461, 137862, 2668563, 89609916, 3827996725, 213188142328
OFFSET
1,5
EXAMPLE
Maximal 8 X 8 example
.1.1.1.1.1.0.0.0
.0.1.1.1.0.0.0.0
.0.0.0.0.0.0.0.1
.1.0.0.0.0.0.1.1
.1.1.0.0.0.0.1.1
.1.1.0.0.0.0.1.1
.1.1.0.1.1.1.0.1
.1.0.1.1.1.1.1.0
CROSSREFS
Sequence in context: A240415 A113524 A147505 * A147223 A184057 A235713
KEYWORD
nonn
AUTHOR
STATUS
approved