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A147338
Number of n X n binary arrays with all ones connected only in a 0100-0100-1111-0010-0010 pattern in any orientation.
0
1, 1, 1, 1, 9, 25, 57, 341, 3079, 34841, 488119, 8511553, 213350177, 7487333931, 351333499149
OFFSET
1,5
EXAMPLE
Maximal 8 X 8 example
.0.0.1.0.0.0.0.0
.0.0.1.1.1.0.0.0
.1.1.1.0.0.0.0.0
.0.0.1.0.0.0.1.0
.0.0.0.0.0.0.1.0
.0.0.0.0.1.1.1.1
.0.0.0.0.0.1.0.0
.0.0.0.0.0.1.0.0
CROSSREFS
Sequence in context: A099971 A124702 A113829 * A147325 A147368 A147497
KEYWORD
nonn
AUTHOR
STATUS
approved