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A186601
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Number of (n+4)X5 binary arrays with every 5X5 subblock commuting with each horizontal and vertical neighbor 5X5 subblock
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1
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33554432, 6187, 11884, 42120, 156276, 403567, 707955, 912129, 992000, 1040400, 1082540, 1112608, 1140393, 1191603, 1348702, 1745361, 2463212, 3404473, 4453106, 5656033, 7140675, 8976557, 11063639, 13309318, 15866370, 19101801, 23406338
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OFFSET
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1,1
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COMMENTS
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Column 1 of A186609
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..200
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FORMULA
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Empirical: a(n)=a(n-1)+a(n-3)-a(n-4)+a(n-5)-a(n-6)-a(n-8)+a(n-9)+a(n-10)-a(n-13) for n>21
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EXAMPLE
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Some solutions for 6X5
..0..0..0..0..0....1..1..0..0..1....0..1..1..1..0....1..0..1..0..1
..0..0..0..0..0....0..1..1..1..0....1..0..1..1..0....0..1..0..1..1
..0..1..0..0..0....0..1..1..1..0....0..1..1..1..0....0..1..0..1..1
..1..0..1..0..0....0..1..0..1..1....1..0..1..1..0....0..1..0..1..1
..1..1..0..1..0....0..1..1..1..0....0..1..1..1..0....0..1..0..1..1
..1..1..1..0..1....0..1..0..1..1....1..1..0..0..1....0..1..0..1..1
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CROSSREFS
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Sequence in context: A011575 A186600 A186609 * A059277 A010813 A323661
Adjacent sequences: A186598 A186599 A186600 * A186602 A186603 A186604
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin Feb 24 2011
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STATUS
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approved
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