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A251817
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Number of (n+2)X(6+2) 0..2 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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3349, 9040, 62457, 409196, 2670355, 17562309, 115183429, 755607816, 4967204967, 32613907072, 214022771740, 1405186467947, 9227158423777, 60580408167779, 397722666715162, 2611240940819645, 17144272724693792, 112560751779945326
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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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FORMULA
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Empirical recurrence of order 74 (see link above)
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EXAMPLE
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Some solutions for n=3
..1..1..1..1..0..1..1..1....1..0..1..1..1..1..0..1....1..0..1..1..0..1..1..1
..1..0..1..1..1..1..1..1....0..1..1..1..1..1..1..1....1..1..1..1..1..1..1..1
..1..1..1..0..1..1..1..1....1..1..1..1..1..1..1..0....1..1..1..1..1..1..1..1
..0..1..1..1..1..1..0..1....1..1..1..1..1..1..1..1....1..1..1..1..1..0..1..1
..1..1..0..1..1..1..1..1....0..1..1..1..1..1..0..1....0..1..1..0..1..1..1..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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