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A297542
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Number of nX6 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, 105, 905, 10234, 205888, 3015179, 45293985, 726450667, 11267743659, 174940837668, 2737325839679, 42676467159309, 665276067132323, 10380615509680131, 161909949029518946, 2525266352244161021
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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..1..0..0. .1..1..1..0..0..0. .1..1..1..1..0..0. .0..0..0..1..0..0
..0..0..1..0..1..0. .0..1..0..1..1..0. .0..1..0..0..1..1. .0..0..1..0..1..1
..0..0..0..0..1..1. .0..0..1..1..0..0. .1..0..0..0..1..1. .0..1..0..0..1..1
..0..0..1..0..0..1. .0..0..0..0..1..0. .0..1..0..0..0..1. .0..1..1..0..1..1
..0..1..1..1..1..0. .0..0..0..1..1..1. .1..1..1..1..1..0. .0..1..1..0..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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