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A202740
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Number of nX6 0..1 arrays with row sums equal and column sums unequal to adjacent columns
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1
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2, 102, 3032, 62398, 1375912, 27842760, 578826040, 11600238174, 239443637912, 4806953288872, 98795215188760, 1991699775933928, 40848655904440568, 824853028164662088, 16889107635602264212, 341245428784872621534
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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 n=4
..0..1..0..0..1..1....1..0..1..0..1..1....1..0..0..0..1..1....0..1..1..0..0..0
..0..1..0..1..0..1....1..0..1..1..1..0....0..1..1..0..1..0....1..1..0..0..0..0
..1..0..0..1..1..0....1..0..1..1..1..0....0..0..1..1..1..0....0..1..1..0..0..0
..1..1..0..0..1..0....1..0..1..1..1..0....1..0..1..0..1..0....1..0..0..0..1..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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