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 A137700 #5 Mar 30 2012 18:50:59 %S A137700 1,3,5,7,12,16,24,20,26,41,33,44,51,55,54,79,64,74,69,88,121,92,101, %T A137700 109,113,116,124,155,152,137,144,140,160,174,165,209,197,195,201,200, %U A137700 206,218,251,238,229,239,230,244,236,267,295,281,299,301,307,312,313,325 %N A137700 Smallest k such that the k-th prime has exactly n distinct representations as arithmetic mean of two primes. %C A137700 A071681(a(n))=n and A071681(m)<>n for m<a(n), A000040(a(n))=A126204(n). %K A137700 nonn %O A137700 0,2 %A A137700 _Reinhard Zumkeller_, Feb 07 2008 %E A137700 Corrected description suggested by Zak Seidov, May 16 2008