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A297912
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Number of nX5 0..1 arrays with every element equal to 0, 2, 3 or 4 king-move adjacent elements, with upper left element zero.
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1
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1, 104, 144, 1281, 10809, 86201, 789026, 6952444, 62368324, 561827959, 5044716757, 45445761023, 409165864059, 3684640201888, 33186785709821, 298897784701392, 2692156370359236, 24248139995168505, 218403311907684498
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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=6
..0..0..0..1..1. .0..0..1..1..1. .0..1..0..0..1. .0..0..0..1..0
..0..1..1..0..1. .1..0..1..0..1. .1..1..0..1..1. .0..1..0..1..1
..1..1..0..0..1. .1..1..0..1..0. .0..1..0..0..1. .1..1..0..0..1
..0..0..1..0..1. .0..0..0..1..0. .0..0..1..1..0. .0..1..1..0..0
..0..1..0..1..0. .1..0..1..0..0. .1..1..1..0..0. .0..0..1..0..1
..0..0..1..0..0. .1..1..1..1..0. .0..1..0..0..1. .1..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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