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 A107349 #2 Mar 30 2012 17:26:16 %S A107349 3556550,4112560,4112568,4116958,4117950,4118050,4554051,4614334, %T A107349 4614393,4614437,4614444,4652931,4662825,4663397,4668326,4668331, %U A107349 4668793,4668843,4669228,4669275,4669281 %N A107349 Indices of primes with digit sum = 67. %C A107349 Cf. A106807 Primes with digit sum = 67. %F A107349 a(n) = pi(A106807(n)) %e A107349 a(1) = 3556550 because prime(3556550) = 59899999 is the first prime with digit sum = 67. %Y A107349 Cf. A106807. %K A107349 nonn,base %O A107349 1,1 %A A107349 _Zak Seidov_, May 19 2005