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 A178597 #3 Mar 30 2012 17:35:02
%S A178597 1,6,9,30,33,203,220,1368,2638,10561,10726,18926,86693,101294,170447,
%T A178597 734638,749502,1503095,3131428,6504583,27508889,56295291,66084700,
%U A178597 98097954
%N A178597 Where records occur in A039996.
%e A178597 a(17)=749502 because prime(749502)=11373379, and
%e A178597 there are A178596(17)=20 primes embedded in 11373379:
%e A178597 {3, 7, 11, 13, 17, 31, 71, 79, 97, 113, 131, 179, 317, 797, 971, 11317, 17971, 131797, 317971, 1317971}.
%Y A178597 Cf. A039996, A178596.
%K A178597 base,nonn
%O A178597 1,2
%A A178597 _Zak Seidov_, May 30 2010
%E A178597 a(18)-a(24) from _Donovan Johnson_, Jun 10 2010