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A147247
Number of n X n binary arrays with all ones connected only in a 11100-00100-00111 pattern in any orientation.
0
1, 1, 1, 1, 13, 41, 245, 1633, 20989, 305457, 6244799, 168722653, 6674190341
OFFSET
1,5
EXAMPLE
Maximal 8 X 8 example
.0.0.0.1.1.1.0.0
.0.0.0.0.0.1.0.0
.1.0.0.0.0.1.1.1
.1.0.0.0.0.0.0.0
.1.1.1.0.0.0.0.0
.0.0.1.0.0.1.1.1
.0.0.1.0.0.1.0.0
.0.0.0.1.1.1.0.0
CROSSREFS
Sequence in context: A355965 A231885 A167240 * A028468 A146995 A102130
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 04 2008
STATUS
approved