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⇱ A147201 - OEIS

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A147201
Number of n X n binary arrays with all ones connected only in a 1100-0101-0111 pattern in any orientation.
0
1, 1, 1, 17, 49, 205, 2349, 61265, 1411269, 32593981, 1645382827, 152924199125
OFFSET
1,4
EXAMPLE
Maximal 8 X 8 example
.0.1.1.1.0.1.0.0
.0.1.0.1.0.1.1.1
.1.1.0.0.0.0.0.1
.0.0.0.0.0.0.1.1
.1.1.0.0.0.0.0.0
.1.0.0.1.1.0.0.0
.1.1.1.0.1.0.1.0
.0.0.1.0.1.1.1.0
CROSSREFS
Sequence in context: A126371 A342609 A146799 * A146775 A147217 A147051
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 04 2008
STATUS
approved