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A302744
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Number of 5Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
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1
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16, 512, 11980, 286631, 6947036, 168799572, 4104115772, 99818649293, 2427829113648, 59052536397220, 1436349489188322, 34936780127006555, 849778519255324644, 20669440240076116148, 502749555285048546206
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OFFSET
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1,1
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COMMENTS
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LINKS
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FORMULA
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Empirical recurrence of order 64 (see link above)
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EXAMPLE
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Some solutions for n=5
..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..0..1..0..1. .0..0..0..1..1. .0..0..1..0..1. .0..0..1..1..1
..0..1..1..1..1. .1..0..1..1..1. .1..0..1..0..1. .1..0..1..0..0
..0..1..0..1..0. .0..1..0..1..0. .1..0..0..0..0. .0..1..0..1..1
..1..0..1..0..0. .1..0..0..1..1. .1..1..1..1..0. .1..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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