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 A091735 #5 Mar 30 2012 18:39:59 %S A091735 2,11,17,31,41,59,67,83,97,109,127,149,157,179,191 %N A091735 Primes arising in the first row of array in A091734. %F A091735 a(n) = prime(A007310(n)). [From _R. J. Mathar_, Apr 22 2010] %K A091735 nonn %O A091735 1,1 %A A091735 _Giovanni Teofilatto_, Mar 06 2004