A212492 Prime p such that p, p+10, p+12 are all primes.

7, 19, 31, 61, 97, 127, 139, 181, 229, 271, 337, 409, 421, 607, 631, 811, 1009, 1021, 1039, 1051, 1279, 1291, 1471, 1597, 1609, 1657, 1777, 1861, 1867, 1987, 2017, 2131, 2371, 2539, 2647, 2677, 2719, 2791, 3109, 3319, 3361, 3457, 3517, 3529, 3547, 3571, 3907

Offset

1,1

Comments

All terms are congruent to 1 (mod 6). - Zak Seidov, Oct 28 2021

Links

Salvatore Di Guida, Table of n, a(n) for n = 1..85

Mathematica

Select[Range[5000], PrimeQ[#] && PrimeQ[#+10] && PrimeQ[#+12] &] (* T. D. Noe, May 18 2012 *)

Prog

(Python)
from sympy import isprime, primerange
def ok(p): return isprime(p+10) and isprime(p+12)
print(list(filter(ok, primerange(1, 3910)))) # Michael S. Branicky, Oct 28 2021

Crossrefs

Sequence in context: A169605 A216532 A249375 * A234310 A141338 A237366

Adjacent sequences: A212489 A212490 A212491 * A212493 A212494 A212495

Keyword

nonn

Author

Salvatore Di Guida, May 18 2012

Status

approved