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A233314
Primes p such that p+6 and p+12 are composite.
2
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
1,1
COMMENTS
Subsequence of A140555: a(3) = 43 = A140555(5), a(1000) = 18503 = A140555(1468).
MATHEMATICA
Select[Prime[Range[200]], ! PrimeQ[# + 6] && ! PrimeQ[# + 12] &] (* T. D. Noe, Dec 10 2013 *)
CROSSREFS
Cf. A140555.
Sequence in context: A051099 A162712 A182217 * A062581 A077520 A230061
KEYWORD
nonn
AUTHOR
Zak Seidov, Dec 07 2013
STATUS
approved