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 A185662 #6 Jul 02 2017 12:19:46 %S A185662 61,149,199,349493,5709623,100776157,1142774723 %N A185662 Final prime of first member of A019518 that is divisible by 13^n. %e A185662 The concatenations short of the one ending with 61 are not divisible by 13, while that one is. %Y A185662 Cf. A183194, A185656, and those following. %K A185662 nonn,base,more %O A185662 1,1 %A A185662 _James G. Merickel_, Feb 01 2011