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 A217132 #12 Jan 24 2014 16:12:15 %S A217132 0,1,2,3,4,6,7,11,26,29,41,53,55,84,86,144,179,229,238,414,616,1158, %T A217132 4111,5577,13237,15244,48578,66074 %N A217132 Numbers n such that 7^n + 10 is prime. %C A217132 a(29) > 10^5. - _Robert Price_, Jan 24 2014 %t A217132 Select[Range[0, 3000], PrimeQ[7^# + 10] &] %o A217132 (PARI) for(n=1, 3*10^3, if(isprime(7^n+10), print1(n", "))) %Y A217132 Cf. A236371, A217131, A191469, A090669, A096305, A217130, A217132, A152213. %K A217132 nonn %O A217132 1,3 %A A217132 _Vincenzo Librandi_, Oct 01 2012 %E A217132 a(23)-a(28) from _Robert Price_, Jan 24 2014