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A295942
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Number of nX7 0..1 arrays with each 1 adjacent to 1 or 3 king-move neighboring 1s.
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1
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13, 529, 4667, 65009, 1311947, 18443146, 279143247, 4651767361, 71601077879, 1113325540538, 17728921826557, 277559110403766, 4349266027972356, 68547642119549740, 1076488599652738176, 16903736224033460915
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=4
..0..1..0..0..0..1..0. .1..0..1..1..0..1..0. .0..0..1..0..0..0..0
..0..1..0..0..0..0..1. .0..1..1..0..1..0..0. .0..1..1..1..1..0..0
..0..1..1..0..0..0..0. .0..0..0..0..0..1..0. .1..0..0..0..0..0..1
..1..0..0..1..0..1..1. .0..1..1..0..0..0..0. .0..0..0..1..1..0..1
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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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