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A285153
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Number of 2 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
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1
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0, 2, 14, 58, 210, 788, 2960, 11168, 42402, 161856, 619864, 2381342, 9174202, 35432030, 137146164, 531899380, 2066518438, 8041414956, 31335774120, 122265661844, 477610788400, 1867692035114, 7310704019360, 28641893196882
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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..0..1..0. .1..1..0..1. .1..1..0..0. .0..0..0..1. .0..0..1..0
..1..0..1..0. .0..0..0..0. .0..0..0..0. .1..0..0..1. .1..0..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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