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 A088615 #4 Dec 05 2013 19:56:34 %S A088615 2,29,293,29327,2932711,293271151,29327115113,2932711511333, %T A088615 293271151133341,29327115113334193,2932711511333419331, %U A088615 293271151133341933199,29327115113334193319929 %N A088615 Primes arising in A088614. %Y A088615 Cf. A088614. %K A088615 base,nonn %O A088615 1,1 %A A088615 _Amarnath Murthy_, Oct 16 2003 %E A088615 More terms from _Ray Chandler_, Oct 18 2003