A088555 Primes of the form 5*p + 6 where p is a prime.

31, 41, 61, 71, 101, 151, 191, 211, 241, 271, 311, 401, 421, 491, 521, 541, 571, 641, 661, 691, 701, 751, 761, 821, 911, 971, 991, 1061, 1151, 1171, 1201, 1291, 1321, 1361, 1471, 1571, 1741, 1801, 1871, 1901, 1951, 2011, 2111, 2161, 2221, 2251, 2311, 2341

Offset

1,1

Comments

Primes arising in A023219.

Subsequence of A030430.

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..3400

Formula

a(n) = 5*A023219(n) + 6.

Mathematica

6 + 5 Select[Prime[Range[200]], PrimeQ[5 # + 6] &] (* Vincenzo Librandi, May 19 2017 *)

Prog

(Magma) [5*p+6: p in PrimesUpTo(600)| IsPrime(5*p+6)]; // Vincenzo Librandi, May 19 2017
(PARI) forprime(p=2, 500, my(pp=5*p+6); if(isprime(pp), print1(pp, ", "))) \\ Hugo Pfoertner, Aug 06 2021

Crossrefs

Cf. A023219, A030430, A088561, A090161.

Sequence in context: A040989 A040969 A348558 * A040178 A089719 A340444

Adjacent sequences: A088552 A088553 A088554 * A088556 A088557 A088558

Keyword

nonn,easy

Author

Ray Chandler, Nov 28 2003

Extensions

Name clarified by Jinyuan Wang, Aug 06 2021

Status

approved