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A302671
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Number of 5Xn 0..1 arrays with every element equal to 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
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1
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0, 111, 691, 4267, 42367, 352174, 3204956, 28324200, 248482982, 2223806395, 19612845211, 174147277424, 1545345042448, 13690754212668, 121518036637399, 1077456338230779, 9556752221812425, 84773605649902772, 751847387040101232
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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. .0..1..1..1..1. .0..0..0..1..1. .0..0..1..1..0
..1..1..1..0..1. .0..0..0..0..1. .1..1..1..0..1. .1..0..0..0..0
..0..0..1..0..0. .1..1..1..1..0. .0..0..1..0..0. .0..1..1..1..1
..0..1..1..0..1. .0..0..0..1..1. .0..0..0..1..0. .0..0..0..0..1
..1..1..0..1..0. .1..1..1..0..0. .1..1..1..1..1. .1..1..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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