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A251454
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Number of (n+1)X(3+1) 0..3 arrays with every 2X2 subblock summing to a prime
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1
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6398, 194586, 5783416, 172965058, 5162094982, 154267520858, 4606843590302, 137657116629832, 4111638505603610, 122852558520079282, 3669798382143064858, 109646194005440865702, 3275476445946738392702, 97861845165754237937150
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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 99 (see link above)
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EXAMPLE
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Some solutions for n=2
..0..1..1..0....0..0..3..0....0..2..3..0....0..0..1..1....0..3..2..1
..3..1..0..1....1..1..1..1....1..2..0..0....1..1..1..2....2..0..0..2
..0..3..1..1....2..3..2..3....3..1..2..3....1..2..3..1....0..0..2..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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