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A252445
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Number of (n+2)X(5+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 3
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1
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259257, 10157387, 454665875, 17918363933, 727114790171, 29918663096948, 1218437834167018, 49699856516684819, 2030235758746008203, 82861978509545725188, 3382085380142844348363, 138065021791896705312517
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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..0..0..0..0..0....0..1..1..0..0..1..1....0..1..1..0..0..1..0
..0..1..0..1..0..1..1....0..0..0..1..0..0..0....0..0..1..0..0..0..0
..0..1..0..1..0..1..1....1..1..0..0..0..1..0....1..0..0..0..0..0..2
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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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