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A258952
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Number of (n+3)X(3+3) 0..1 arrays with no 4x4 subblock diagonal sum not equal the antidiagonal sum
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1
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357600, 605904, 1188294, 2292662, 4268548, 8889408, 18461564, 38504536, 81927058, 175124024, 382949392, 840384096, 1854763390, 4145247490, 9298939358, 21035251042, 47859954190, 109376397754, 251699350766, 581573274808
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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=1
..0..0..1..1..0..1....0..0..1..0..0..1....0..0..0..1..0..0....0..1..0..0..1..0
..0..1..1..1..1..0....1..0..1..0..0..1....1..1..0..0..0..1....0..0..1..0..1..0
..1..0..1..1..1..1....1..0..1..0..1..0....1..1..0..0..1..0....0..1..1..0..1..0
..1..0..0..1..0..0....0..1..1..0..1..0....0..0..1..1..0..0....0..0..1..1..0..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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