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A254902
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Number of (n+2) X (3+2) 0..1 arrays with every 3 X 3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
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1
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7579, 14137, 24358, 54081, 59885, 56618, 73167, 84033, 87145, 95312, 108912, 115090, 129716, 148102, 161469, 170385, 192511, 203243, 218829, 241257, 269496, 287602, 308637, 343640, 368950, 387956, 428001, 467370, 497840, 534943, 577434
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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
..1..1..1..1..0....1..1..0..0..0....0..1..1..0..0....0..0..1..1..0
..1..0..0..1..1....1..0..0..0..1....0..0..0..0..1....0..0..0..0..1
..0..0..0..1..1....0..0..0..0..1....0..0..0..0..0....0..1..1..1..1
..1..1..1..1..0....0..1..0..0..0....1..1..1..1..0....1..1..0..1..1
..1..0..1..1..0....0..1..0..1..1....0..0..1..1..0....0..0..0..1..0
..0..0..1..0..0....1..1..1..1..1....1..0..0..0..1....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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