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%I #14 Oct 30 2018 10:31:02
%S 0,1,2,3,8,11,12,16,22,23,38,43,47,51,53,67,68,71,73,87,88,102,106,
%T 107,108,123,141,143,156,162,166,173,177,178,186,192,198,212,221,227,
%U 232,233,247,271,277,282,288,296,298,318,326,327,333,337,346,351,352
%N Numbers n such that 12n+5 and 12n+7 are primes.
%C A123979 and A123985 are subsequences.
%F a(n)=(A123986(n)-1)/3.
%t Select[Range[0, 352], PrimeQ[12 # + 5] && PrimeQ[12 # + 7] &] (* _T. D. Noe_, Dec 05 2011 *)
%Y Cf. A123985, A123986, A123979.
%K nonn
%O 0,3
%A _Zak Seidov_, Dec 02 2011
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