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A146714
Number of n X n binary arrays with all ones connected only in a 1100-1111-1000 pattern in any orientation.
0
1, 1, 1, 17, 53, 349, 4017, 76237, 2269673, 85654393, 5118155241, 486408820327, 69014385732571
OFFSET
1,4
EXAMPLE
Maximal 8 X 8 example
.0.0.0.0.1.1.0.0
.0.0.0.0.1.1.1.1
.0.0.0.0.1.0.0.0
.0.0.0.0.0.0.1.1
.1.1.1.0.1.1.1.1
.1.1.0.1.0.0.0.1
.0.1.0.1.1.1.1.0
.0.1.0.1.1.0.0.0
CROSSREFS
Sequence in context: A146642 A146610 A146847 * A146397 A146405 A228244
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 04 2008
STATUS
approved