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A188307
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Number of (n+1)X6 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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380, 14832, 203584, 3415196, 53468700, 878907878, 14070003616, 228625683370, 3680915898074, 59626244517814, 962293522215168, 15566719628153548, 251445428797343950, 4065446796913711010, 65691624104999816724
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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 3X6
..0..1..0..1..1..1....0..0..0..1..1..0....0..1..0..0..1..1....1..0..1..0..1..0
..0..1..0..0..1..0....0..1..0..1..0..1....1..1..1..1..0..1....1..1..0..1..1..1
..1..0..1..0..1..0....0..0..0..1..1..0....0..1..0..0..1..1....0..1..0..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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