This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A201541 #14 Oct 30 2018 10:31:02 %S A201541 0,1,2,3,8,11,12,16,22,23,38,43,47,51,53,67,68,71,73,87,88,102,106, %T A201541 107,108,123,141,143,156,162,166,173,177,178,186,192,198,212,221,227, %U A201541 232,233,247,271,277,282,288,296,298,318,326,327,333,337,346,351,352 %N A201541 Numbers n such that 12n+5 and 12n+7 are primes. %C A201541 A123979 and A123985 are subsequences. %F A201541 a(n)=(A123986(n)-1)/3. %t A201541 Select[Range[0, 352], PrimeQ[12 # + 5] && PrimeQ[12 # + 7] &] (* _T. D. Noe_, Dec 05 2011 *) %Y A201541 Cf. A123985, A123986, A123979. %K A201541 nonn %O A201541 0,3 %A A201541 _Zak Seidov_, Dec 02 2011