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A251848
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Number of (n+2)X(3+2) 0..3 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime
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1
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15899, 138538, 2118665, 30754863, 458278940, 6885655911, 102820691005, 1537817732274, 23014643920979, 344244913407821, 5149619163538379, 77039622895390388, 1152481624217417835, 17240694630187128552
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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=2
..1..3..1..3..3....1..3..1..3..1....1..3..3..1..3....1..3..3..1..3
..1..1..1..3..1....1..1..3..1..1....1..3..3..1..1....3..1..1..1..3
..0..1..1..1..3....3..1..1..1..3....1..1..1..1..3....3..3..1..1..1
..1..3..1..3..3....1..1..1..1..1....1..3..3..1..3....1..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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