A256864 Primes not occurring in A084721.

3, 7, 13, 19, 31, 41, 43, 61, 71, 83, 103, 109, 131, 137, 139, 151, 157, 167, 179, 193, 197, 199, 223, 229, 241, 257, 271, 281, 283, 311, 337, 349, 383, 421, 433, 439, 461, 463, 487, 503, 523, 547, 571

Offset: 1

Author

M. F. Hasler, Apr 11 2015

Keywords

• nonn

Comments

Complement of the range of A084721 within the primes A000040.

Crossrefs

Cf. A083569, A084721.

Programs

PARI

N=300; setminus(primes(primepi(A083569(N)+N)),Set(vector(N,n,A083569(n)+n))) \\ M. F. Hasler, Apr 11 2015