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 A190634 #16 Oct 06 2017 22:09:06 %S A190634 2,14,969,2831,4050,6167 %N A190634 Indices of primes from A190637. %C A190634 See A190637. %Y A190634 Cf. A103431 (Gaussian primes in first quadrant), A190635 (index of same prime as Gaussian prime), A190637 (primes == 3 mod 4). %K A190634 nonn %O A190634 1,1 %A A190634 _Sven Simon_, May 15 2011 %E A190634 a(5)-a(6) from _Sven Simon_, Jun 19 2011