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A147386
Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 10001-11111-00100 pattern in any orientation.
0
1, 1, 1, 1, 1, 1, 5, 1, 10, 1, 58, 13, 354, 57, 2083
OFFSET
1,7
EXAMPLE
Maximal 9 X 9 example
.0.0.1.0.0.0.1.0.0
.0.0.1.1.1.1.1.0.0
.1.1.0.0.1.0.0.1.1
.0.1.0.0.0.0.0.1.0
.0.1.1.0.0.0.1.1.0
.0.1.0.0.0.0.0.1.0
.1.1.0.0.1.0.0.1.1
.0.0.1.1.1.1.1.0.0
.0.0.1.0.0.0.1.0.0
CROSSREFS
Sequence in context: A147362 A147225 A147061 * A145759 A131414 A333448
KEYWORD
nonn
AUTHOR
STATUS
approved