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 A093504 #3 Dec 05 2013 19:56:48 %S A093504 2,3,23,113 %N A093504 A093503(k) is a term if A093503(k) and A093503(k+1) are successive primes. %C A093504 There are no further terms < A093503(1000000); this suggests the conjecture that there are no other terms. - Klaus Brockhaus %e A093504 113 is a member as the next member of A093503 is the next prime 127. %Y A093504 Cf. A093503. %K A093504 nonn %O A093504 1,1 %A A093504 _Amarnath Murthy_, Apr 17 2004 %E A093504 Edited by _Klaus Brockhaus_, Apr 27 2004