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A122430
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Primes of the form 1+2*n+3*n^2.
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3
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17, 457, 617, 1009, 1777, 2081, 3137, 4409, 5897, 9521, 11657, 14009, 24481, 25577, 29009, 39217, 43441, 47881, 49409, 62497, 67801, 75209, 81017, 85009, 87041, 93281, 97561, 104161, 110977, 120401, 132721, 135257, 140401, 159161, 182041
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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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MATHEMATICA
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Select[Table[1 + 2 n + 3 n^2, {n, 500}], PrimeQ] (* Vincenzo Librandi, Mar 15 2013 *)
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PROG
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(Magma) [a: n in [1..300] | IsPrime(a) where a is 1+2*n+3*n^2]; // Vincenzo Librandi, Mar 15 2013
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CROSSREFS
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Cf. A086285 (numbers n such that 1+2n+3n^2 is prime).
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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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