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A188306
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Number of (n+1)X5 binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums
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1
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160, 3036, 30096, 321696, 3415196, 37040856, 396560236, 4280848766, 45974525280, 495422640310, 5328080437862, 57374376030330, 617348839225218, 6645962770531796, 71524119538407004, 769894519113954114
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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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EXAMPLE
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Some solutions for 3X5
..1..0..0..1..0....0..1..1..1..1....0..1..1..1..1....0..1..1..1..1
..1..0..0..1..0....0..0..1..0..1....0..0..0..0..0....1..1..0..0..1
..1..0..0..1..0....0..1..0..1..1....0..1..1..0..1....0..1..1..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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