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Actual primes are A007528.
Zak Seidov and Michael De Vlieger, Table of n, a(n) for n = 1..10000 (first 3000 terms from Zak Seidov)
Select[Range, PrimeQ[6 # - 1] &] (* Bruno Berselli, Jul 14 2014 *)
(MAGMA) [n: n in [0..1000]| IsPrime(6*n-1)]; // Vincenzo Librandi, Nov 20 2010
Sequence in context: A099849 A071163 A006644 * A094210 A165256 A175020
Adjacent sequences: A024895 A024896 A024897 * A024899 A024900 A024901