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A257163
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Primes of the form 3n^2 + 2.
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1
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2, 5, 29, 149, 509, 677, 1877, 3677, 8429, 9749, 11909, 13469, 17789, 22709, 27077, 28229, 45389, 46877, 53069, 70229, 72077, 81677, 100469, 102677, 114077, 128549, 141269, 154589, 180077, 192029, 195077, 207509, 223589, 230189, 261077, 312989, 340709, 352949, 395309, 399677, 426389
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OFFSET
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1,1
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COMMENTS
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Generated by n = 0, 1, 3, 7, 13, 15, 25, 35, 53, 57, ...
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LINKS
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EXAMPLE
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2 is in this sequence because 3*0^2 + 2 = 2 and 2 is prime.
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MATHEMATICA
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PROG
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(Magma) [a: n in [0..400] | IsPrime(a) where a is (3*n^2+2)];
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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