A233314 Primes p such that p+6 and p+12 are composite.

2, 3, 43, 79, 109, 113, 149, 163, 197, 241, 283, 293, 313, 317, 349, 359, 379, 401, 439, 463, 499, 521, 523, 547, 569, 577, 599, 617, 643, 659, 673, 683, 691, 701, 709, 719, 743, 769, 773, 787, 829, 839, 859, 863, 883, 887, 911, 919, 937, 953, 967, 983, 1031

Offset: 1

Author

Zak Seidov, Dec 07 2013

Keywords

• nonn

Comments

Subsequence of A140555: a(3) = 43 = A140555(5), a(1000) = 18503 = A140555(1468).

Links

• Zak Seidov, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A140555.

Programs

Mathematica

Select[Prime[Range[200]], ! PrimeQ[# + 6] && ! PrimeQ[# + 12] &] (* T. D. Noe, Dec 10 2013 *)