A272176 Primes p such that p + 44 is also prime.

3, 17, 23, 29, 53, 59, 83, 107, 113, 137, 149, 167, 179, 197, 227, 233, 239, 263, 269, 293, 353, 389, 419, 443, 479, 503, 557, 563, 569, 587, 599, 617, 647, 683, 743, 809, 839, 863, 947, 953, 977, 1019, 1049, 1109, 1187, 1193, 1259, 1277, 1283

Offset

1,1

Comments

A134121 is a subsequence of this sequence.

Links

Karl V. Keller, Jr., Table of n, a(n) for n = 1..10000

Example

3 is a term because 3 + 44 = 47 is also prime.
17 is a term because 17 + 44 = 61 is also prime.

Prog

(Python)
from sympy import isprime
for i in range(3, 3001, 2):
    if isprime(i) and isprime(i + 44): print(i, end=', ')
(PARI) lista(nn) = forprime(p=2, nn, if(isprime(p+44), print1(p, ", "))); \\ Altug Alkan, Apr 21 2016

Crossrefs

Cf. A000040, A134121.

Sequence in context: A126692 A057173 A109371 * A082372 A273407 A267067

Adjacent sequences: A272173 A272174 A272175 * A272177 A272178 A272179

Keyword

nonn

Author

Karl V. Keller, Jr., Apr 21 2016

Status

approved