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A298955
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Number of nX6 0..1 arrays with every element equal to 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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0, 5, 5, 11, 22, 102, 390, 1990, 8875, 42338, 200422, 1001873, 4864576, 24344988, 120791381, 599718216, 2979586795, 14824136258, 73594777737, 365973623961, 1819455689317, 9043962959653, 44964812729586, 223577501339948
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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..1..1..1. .0..0..1..1..1..1. .0..0..1..1..1..1. .0..0..0..1..1..1
..0..0..0..1..1..1. .0..0..1..1..1..1. .0..0..1..1..1..1. .0..0..0..1..1..1
..0..0..0..1..1..1. .1..1..0..0..0..0. .0..0..1..1..1..1. .0..0..1..0..1..1
..1..1..1..0..0..0. .1..1..0..0..0..0. .1..1..0..0..0..0. .1..1..0..1..0..0
..1..1..1..0..0..0. .1..1..0..0..0..0. .1..1..0..0..0..0. .1..1..1..0..0..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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