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A297549
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Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 3 neighboring 1s.
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1
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1, 31, 2050, 13248, 94647, 3015179, 67372651, 916902295, 14467301940, 290169660945, 5329084696567, 89381913856892, 1564002749882255, 28438920688062707, 506516973635082252, 8886666042271930829
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=5
..0..1..1..0..0. .0..1..0..0..0. .0..0..1..1..0. .0..0..1..1..0
..0..0..1..1..0. .1..1..1..0..0. .0..1..1..0..0. .0..1..1..0..0
..1..1..0..0..0. .0..1..0..0..0. .0..0..1..1..0. .0..1..1..0..0
..0..1..1..0..0. .1..1..0..0..0. .0..0..0..1..0. .1..0..0..0..0
..0..0..1..0..0. .1..1..1..0..0. .0..0..0..1..1. .0..1..0..1..1
..0..1..1..1..0. .0..0..0..0..0. .0..0..1..1..0. .0..0..1..1..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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