A201600 Primes of the form 6n^2 + 5.

5, 11, 29, 59, 101, 389, 491, 1019, 1181, 1949, 2909, 3461, 5051, 8219, 8669, 10091, 10589, 11621, 13259, 13829, 14411, 16229, 23819, 26141, 27749, 28571, 39371, 44381, 50789, 51899, 61211, 63659, 64901, 67421, 68699, 75269, 82139

Offset

1,1

Links

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

Mathematica

Select[Table[6n^2+5, {n, 0, 800}], PrimeQ]

Prog

(Magma) [a: n in [0..600] | IsPrime(a) where a is 6*n^2+5];

Crossrefs

Sequence in context: A233540 A107135 A036062 * A129780 A154504 A106060

Adjacent sequences: A201597 A201598 A201599 * A201601 A201602 A201603

Keyword

nonn,easy

Author

Vincenzo Librandi, Dec 03 2011

Status

approved