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A301826
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Number of 5 X n 0..1 arrays with every element equal to 1 or 2 horizontally or antidiagonally adjacent elements, with upper left element zero.
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1
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0, 34, 16, 177, 1197, 6501, 47363, 284691, 1896274, 11958940, 77618802, 496896121, 3200790736, 20562842467, 132258652196, 850233622346, 5467032295429, 35149594609278, 226000413555323, 1453078724543374, 9342715834996198
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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..0. .0..0..0..1..1. .0..0..0..0..0. .0..0..0..1..1
..1..1..1..0..0. .1..1..1..0..0. .1..1..1..1..0. .1..1..1..0..0
..0..0..1..0..0. .0..0..0..1..1. .0..0..1..0..0. .0..0..1..1..0
..0..1..1..1..1. .1..1..0..0..0. .0..0..1..1..1. .0..0..1..0..1
..0..0..0..1..1. .1..1..1..1..1. .1..1..0..0..0. .0..0..0..1..1
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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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