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A252395
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Number of (n+2)X(4+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 4
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1
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2302050, 203636149, 19516646285, 1721897188968, 153561179184793, 13852142421855853, 1245211877882127745, 111846699552528354489, 10053936707442905150238, 903736347830500195509268
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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..0....0..0..1..1..1..1....0..0..1..0..1..1....0..0..0..0..0..0
..0..1..1..1..0..0....0..1..2..0..1..2....0..1..0..0..0..1....0..1..1..1..0..0
..0..1..1..1..0..0....0..0..0..0..1..0....0..1..2..0..0..0....0..2..0..0..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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