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A146188
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Number of n X n binary arrays with all ones connected only in a 101-111-100 pattern in any orientation.
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0
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1, 1, 9, 33, 89, 973, 38577, 1078541, 28644797, 2049754535, 324959092887, 58338532772401, 13434523893685925
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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
.1.0.1.0.1.0.1.0
.1.1.1.0.1.1.1.0
.1.0.0.0.1.0.0.1
.0.1.0.1.0.1.1.1
.0.1.1.1.0.1.0.1
.1.0.0.1.0.0.1.0
.1.1.1.0.1.1.1.0
.1.0.1.0.1.0.1.0
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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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