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A146730
Number of n X n binary arrays with all ones connected only in a 1110-0111-0100 pattern in any orientation.
0
1, 1, 1, 17, 49, 253, 4269, 109305, 2719409, 106590781, 8186380289, 970653688319, 155798879951445
OFFSET
1,4
EXAMPLE
Maximal 8 X 8 example
.0.1.0.0.0.1.1.1
.1.1.0.0.1.1.1.0
.1.1.1.0.0.0.1.0
.1.0.0.1.1.1.0.0
.0.0.1.1.1.0.1.0
.0.1.0.0.1.0.1.1
.0.1.1.1.0.1.1.1
.1.1.1.0.0.0.0.1
CROSSREFS
Sequence in context: A147051 A146855 A146666 * A146862 A146586 A146626
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 04 2008
STATUS
approved