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A154253
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Primes of the form 9n^2-8n+2.
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1
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2, 3, 59, 659, 1907, 2467, 3803, 9539, 19507, 23003, 24859, 30859, 37507, 42299, 52747, 58403, 61339, 67427, 98387, 122267, 126499, 139627, 162947, 182899, 209459, 214987, 232003, 243707, 280547, 347707, 362003, 383987, 429899, 478403
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OFFSET
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1,1
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COMMENTS
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Primes generated by n = 1, 3, 9, 15, 17, 21, 33, 47, 51, 53, 59,...
(All but the first of these are either 3 (mod 6) or 5 (mod 6), as in A047270, because otherwise 9n^2-8n+2 is a multiple of 2 or 3. R. J. Mathar, Jul 17 2012).
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LINKS
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MATHEMATICA
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PROG
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(Magma) [a: n in [0..250] | IsPrime(a) where a is 9*n^2-8*n+2]; // Vincenzo Librandi, Jul 16 2012
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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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