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A252590
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T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 0 1 2 7 8 or 9
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4
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13170, 139918, 139918, 1741670, 2932278, 1741670, 22094800, 78789896, 78789896, 22094800, 278456362, 2038097660, 4406719658, 2038097660, 278456362, 3517561890, 52624335712, 235079475068, 235079475068, 52624335712, 3517561890
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OFFSET
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1,1
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COMMENTS
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Table starts
.......13170........139918........1741670.......22094800......278456362
......139918.......2932278.......78789896.....2038097660....52624335712
.....1741670......78789896.....4406719658...235079475068.12835989195484
....22094800....2038097660...235079475068.26484705476040
...278456362...52624335712.12835989195484
..3517561890.1370922407174
.44483332378
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LINKS
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EXAMPLE
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Some solutions for n=1 k=4
..1..2..2..2..2..2....1..1..1..1..2..3....1..2..2..1..3..2....1..2..2..2..1..3
..1..1..1..2..1..0....1..1..1..2..2..2....1..1..1..2..2..2....1..1..1..1..1..2
..1..3..1..2..2..2....1..1..1..1..1..1....1..3..1..2..0..1....1..3..1..1..2..1
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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