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A202737
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Number of nX3 0..1 arrays with row sums equal and column sums unequal to adjacent columns
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1
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2, 6, 38, 86, 282, 1074, 2802, 8694, 30170, 82286, 251682, 837026, 2336882, 7101030, 23060898, 65306934, 197740602, 632536014, 1808535522, 5464051326, 17297449410, 49797577110, 150233445162, 471996750978, 1365869873682, 4116478752054
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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=5
..0..1..1....1..1..0....1..0..1....0..0..1....0..1..1....1..1..0....0..0..1
..0..1..1....0..1..1....0..1..1....0..0..1....1..1..0....1..1..0....0..0..1
..1..1..0....1..1..0....1..0..1....0..0..1....0..1..1....0..1..1....1..0..0
..0..1..1....1..1..0....1..0..1....0..1..0....1..1..0....0..1..1....0..0..1
..1..1..0....0..1..1....1..1..0....0..0..1....1..0..1....0..1..1....1..0..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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