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A146995
Number of n X n binary arrays with all ones connected only in a 00100-00100-11111 pattern in any orientation.
0
1, 1, 1, 1, 13, 41, 308, 2695, 29727, 454197, 10169685, 297550563, 12103659827, 684418386161, 52856689809723
OFFSET
1,5
EXAMPLE
Maximal 8 X 8 example
.1.1.1.1.1.0.0.0
.0.0.1.0.0.0.0.0
.1.0.1.0.0.0.0.0
.1.0.0.0.0.0.0.1
.1.1.1.0.0.0.0.1
.1.0.0.1.0.1.1.1
.1.0.0.1.0.0.0.1
.0.1.1.1.1.1.0.1
CROSSREFS
Sequence in context: A167240 A147247 A028468 * A102130 A080186 A287307
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 04 2008
STATUS
approved