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A146240
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Number of n X n binary arrays with all ones connected only in a 110-111-010 pattern in any orientation.
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0
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1, 1, 5, 17, 55, 445, 7601, 166611, 5058693, 255201297, 21434365863, 2739845770351, 552080325938657, 172381380433171337, 85160758251140175729
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OFFSET
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1,3
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LINKS
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EXAMPLE
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Maximal 8 X 8 example
.0.0.0.0.0.0.1.0
.0.0.0.0.0.1.1.1
.0.0.0.1.1.0.1.1
.0.1.0.1.1.1.0.0
.1.1.1.0.1.0.1.0
.1.1.0.1.0.1.1.1
.0.0.1.1.1.0.1.1
.0.0.0.1.1.0.0.0
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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