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A297976
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Number of nX6 0..1 arrays with every element equal to 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
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1
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0, 41, 501, 7302, 242401, 5902043, 160132152, 4278426570, 114579985316, 3078417275234, 82613395464242, 2218732121018357, 59580905323296527, 1600059673902940527, 42970519994379100116, 1153998005366236164440
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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=4
..0..1..1..1..1..1. .0..1..1..0..0..0. .0..0..0..0..1..1. .0..0..1..1..0..0
..0..0..1..0..0..1. .0..0..1..0..0..1. .0..1..0..1..1..0. .1..0..1..1..0..0
..1..0..1..0..0..1. .0..1..0..0..1..1. .1..1..0..1..0..0. .1..1..0..1..1..0
..1..1..1..0..1..1. .1..1..1..0..1..1. .1..1..0..0..0..0. .1..0..0..1..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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