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A298780
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Number of nX6 0..1 arrays with every element equal to 0, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
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1
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1, 9, 7, 26, 178, 562, 2607, 15018, 81636, 455586, 2645277, 15071152, 86168841, 496188667, 2843376149, 16332351166, 93816373371, 538686228311, 3093975180196, 17770633217448, 102061638116874, 586199211091864, 3366879038649282
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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..0..0..0..0..1. .0..1..1..0..1..0. .0..1..1..1..1..0. .0..1..1..1..1..0
..0..0..1..0..0..0. .1..1..1..1..1..1. .1..1..0..0..1..1. .1..1..0..0..1..1
..0..1..1..1..0..1. .0..1..0..0..1..0. .0..1..0..0..1..0. .1..0..0..0..1..0
..0..0..1..1..0..0. .1..1..0..0..1..1. .1..1..1..1..1..1. .1..1..0..1..1..1
..0..0..0..0..0..0. .1..1..1..1..1..1. .0..1..1..0..1..1. .1..1..1..1..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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