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A146650
Number of n X n binary arrays with all ones connected only in a 1100-0100-1111 pattern in any orientation.
0
1, 1, 1, 17, 57, 265, 2569, 62981, 1534149, 39874393, 1805421661, 154427138595, 18701005144079
OFFSET
1,4
EXAMPLE
Maximal 8 X 8 example
.1.1.1.1.0.1.0.1
.0.1.0.0.0.1.1.1
.1.1.0.0.0.0.0.1
.0.0.0.0.0.0.0.1
.0.0.0.0.0.0.0.0
.1.1.1.1.0.1.1.0
.0.1.0.0.0.1.0.0
.1.1.0.1.1.1.1.0
CROSSREFS
Sequence in context: A117390 A141841 A146682 * A147131 A147162 A146690
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 04 2008
STATUS
approved