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A298380
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Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.
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1
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1, 65, 87, 504, 3271, 17749, 94292, 570906, 3475015, 19883608, 118823013, 713189236, 4231056637, 25230369597, 150909831526, 901408756376, 5382600739880, 32179607924271, 192375809257049, 1149796338265916
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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=7
..0..0..0..1..1..1. .0..0..0..1..1..0. .0..1..1..1..1..1. .0..1..0..0..1..0
..1..0..1..0..1..0. .0..1..1..0..1..1. .1..1..0..0..0..1. .0..0..0..1..1..1
..1..1..1..0..1..1. .1..0..0..1..1..0. .1..0..1..1..0..0. .0..1..1..1..1..0
..1..0..1..0..1..0. .0..1..1..1..1..1. .1..0..0..1..1..1. .1..1..0..1..0..0
..0..0..1..0..0..0. .0..1..0..1..1..0. .1..1..0..1..1..1. .0..0..0..1..1..0
..1..0..1..0..1..0. .0..0..0..1..0..0. .0..0..1..1..0..0. .0..0..1..1..1..1
..1..1..0..1..1..1. .1..0..1..1..1..0. .1..0..1..1..0..0. .0..0..1..0..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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