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 A185713 #6 Jul 02 2017 09:36:07 %S A185713 347,11867,15827689,165429863 %N A185713 Final prime adjoined in the smallest term of A019518 divisible by 89^n. %C A185713 Associated with A019518(i) at i = 69, 1423, 1020690, 9261551,... %Y A185713 Cf. A185656, A185659, A185662, A185665, A185671, A185677, A185680, A185704. %K A185713 nonn,base,more %O A185713 1,1 %A A185713 _James G. Merickel_, Feb 05 2011