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A217498
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Primes of the form 2*n^2 + 58*n + 27.
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10
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151, 367, 619, 907, 1231, 1987, 2887, 3391, 3931, 4507, 5119, 6451, 7927, 8719, 9547, 11311, 13219, 15271, 17467, 21031, 22291, 24919, 27691, 29131, 32119, 35251, 36871, 41947, 43711, 55051, 59119, 63331, 76831, 81619, 84067, 89071, 94219, 96847, 104947
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OFFSET
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1,1
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COMMENTS
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Conjecture: 2^a(n)-1 is not prime; in other words, these primes are included in A054723.
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LINKS
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MATHEMATICA
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Select[Table[2 n^2 + 58 n + 27, {n, 500}], PrimeQ]
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PROG
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(Magma) [a: n in [1..500] | IsPrime(a) where a is 2*n^2+58*n+27];
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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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