login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A201255
Primes of the form 7n^3+6.
1
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
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
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Nov 29 2011
STATUS
approved