A201255 Primes of the form 7n^3+6.

13, 881, 9323, 1437659, 2105347, 2505383, 4298881, 13671881, 21340381, 40147379, 45774427, 53517617, 105484567, 145578131, 148777537, 187116299, 253852843, 267909277, 381079579, 431409131, 471934007, 544981387, 685805273, 778992493

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..2100

Mathematica

Select[Table[7n^3+6, {n, 0, 7000}], PrimeQ]

Prog

(Magma) [a: n in [0..500] | IsPrime(a) where a is 7*n^3+6];

Crossrefs

Sequence in context: A123838 A294793 A013539 * A196695 A196728 A197068

Adjacent sequences: A201252 A201253 A201254 * A201256 A201257 A201258

Keyword

nonn,easy

Author

Vincenzo Librandi, Nov 29 2011

Status

approved