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A146799
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Number of n X n binary arrays with all 1's connected only in a 0110-1100-0111 pattern in any orientation.
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0
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1, 1, 1, 17, 49, 169, 2727, 71937, 1640171, 45826977, 2915886117, 297797651503, 38753311297385, 7181311313092177
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OFFSET
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1,4
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LINKS
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EXAMPLE
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Maximal 8 X 8 example:
.0.1.1.0.0.0.0.1
.0.0.1.1.0.1.0.1
.1.1.1.0.0.1.1.1
.0.0.0.0.0.0.1.0
.0.0.0.0.0.0.0.0
.0.1.1.0.0.1.1.0
.1.1.0.0.1.1.0.0
.0.1.1.1.0.1.1.1
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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