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A185611
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Number of (n+1)X3 0..2 arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum
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1
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171, 2121, 24993, 313105, 3959747, 50512903, 646053371, 8287005157, 106415024441, 1368098434721, 17598078326551, 226486740265787, 2915699882756875, 37545244543350913, 483541481413780309
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OFFSET
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1,1
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COMMENTS
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Column 2 of A185614
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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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EXAMPLE
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Some solutions for 5X3
..0..2..0....0..2..0....0..0..0....0..2..1....0..0..2....0..2..1....0..2..0
..2..0..0....1..1..1....1..0..1....1..2..2....0..1..0....2..2..1....1..0..1
..2..0..2....1..2..1....1..1..1....0..2..1....0..0..2....1..0..2....2..2..2
..0..2..1....1..1..1....1..1..1....2..2..1....1..0..2....2..1..2....0..1..0
..1..2..0....0..1..0....0..0..0....1..1..2....0..0..2....1..0..2....2..0..2
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CROSSREFS
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Sequence in context: A185838 A199902 A186868 * A195279 A016058 A152926
Adjacent sequences: A185608 A185609 A185610 * A185612 A185613 A185614
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin Jan 31 2011
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STATUS
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approved
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