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A201604
Primes of the form 7n^2 + 3.
1
3, 31, 2803, 3391, 10111, 32371, 34303, 67231, 70003, 87811, 114691, 161731, 179203, 231871, 285631, 302851, 338803, 409951, 473203, 502771, 588703, 596851, 621631, 638431, 672703, 753091, 809203, 1075651, 1246591, 1294303, 1367551
OFFSET
1,1
LINKS
MATHEMATICA
Select[Table[7n^2+3, {n, 0, 3000}], PrimeQ]
PROG
(Magma) [a: n in [0..700] | IsPrime(a) where a is 7*n^2+3];
CROSSREFS
Sequence in context: A081789 A066976 A172645 * A048562 A022499 A129209
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Dec 03 2011
STATUS
approved