A123985 Numbers n for which 12n+1, 12n+5, 12n+7 and 12n+11 are primes.

1, 3, 8, 38, 71, 73, 108, 166, 288, 376, 656, 871, 1156, 1338, 1618, 1751, 1776, 1856, 1921, 1963, 2311, 2418, 2801, 3501, 3538, 3648, 3818, 4266, 4541, 4611, 4651, 5076, 6723, 6751, 7388, 7533, 7621, 7698, 7738, 7796, 8083, 8193, 9073, 9243, 9418, 9516

Offset

1,2

Links

T. D. Noe, Table of n, a(n) for n=1..1000

Mathematica

Select[Range[10^4], And @@ PrimeQ /@ ({1, 5, 7, 11} + 12#) &] (* Ray Chandler, Nov 22 2006 *)

Prog

(PARI) P=isprime;
for(n=0, 10^5, if(P(12*n+1) && P(12*n+5) && P(12*n+7) && P(12*n+11), print1(n", ")));
\\ Joerg Arndt, Jul 11 2014

Crossrefs

Cf. A110801.

Sequence in context: A024039 A147523 A123981 * A219953 A286075 A089066

Adjacent sequences: A123982 A123983 A123984 * A123986 A123987 A123988

Keyword

nonn

Author

Artur Jasinski, Oct 30 2006

Status

approved