A201601 Primes of the form 6n^2 + 7.

7, 13, 31, 61, 103, 157, 223, 607, 733, 1021, 1543, 1741, 1951, 3181, 3463, 5407, 6151, 8221, 9133, 10093, 12157, 12703, 13831, 16231, 19501, 23071, 25357, 27751, 28573, 30253, 31981, 33757, 39373, 40351, 41341, 44383, 46471, 47533

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..5000

Mathematica

Select[Table[6n^2+7, {n, 0, 600}], PrimeQ]

Prog

(Magma) [a: n in [0..600] | IsPrime(a) where a is 6*n^2+7];

Crossrefs

Sequence in context: A060800 A272204 A107146 * A284353 A129781 A174217

Adjacent sequences: A201598 A201599 A201600 * A201602 A201603 A201604

Keyword

nonn,easy

Author

Vincenzo Librandi, Dec 03 2011

Status

approved