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 A107896 #2 Mar 30 2012 17:26:16 %S A107896 1,2,4,3,5,6,8,7,9,10,11,12,14,16,13,17,15,18,19,20,21,23,22,24,25,27, %T A107896 29,26,31,32,36,28,30,33,35,34,38,37,39,41,42,44,49,43,45,40,46,57,48, %U A107896 51,47,53,50,60,55,54,62,52,65,61,58,56,69,64,66,67,59,77,68,63,70,79 %N A107896 Position of n-th odd prime in A073653. %C A107896 Cf. A073653 a(n)=smallest prime not included earlier such that a(n-2) + a(n-1) + a(n) is a prime. Is A073653 a permutation of odd primes? %Y A107896 Cf. A073653, A107897. %K A107896 nonn %O A107896 1,2 %A A107896 _Zak Seidov_, May 26 2005