OFFSET
1,2
COMMENTS
Actual primes are A007528.
Number of terms less than 10^r, r=1,2,3,...: 8, 56, 397, 3040, 24571, 206502, 1781237, ... - Muniru A Asiru, Jan 26 2018
LINKS
Zak Seidov and Michael De Vlieger, Table of n, a(n) for n = 1..10000 (first 3000 terms from Zak Seidov)
MAPLE
select(k -> isprime(6*k-1), [$1..10^3]); # Muniru A Asiru, Jan 26 2018
MATHEMATICA
Select[Range[150], PrimeQ[6 # - 1] &] (* Bruno Berselli, Jul 14 2014 *)
PROG
(Magma) [n: n in [0..1000]| IsPrime(6*n-1)]; // Vincenzo Librandi, Nov 20 2010
(GAP) Filtered([1..1000], k->IsPrime(6*k-1)); # Muniru A Asiru, Jan 26 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved