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 A242807 #12 May 27 2014 00:35:08 %S A242807 3,11,29,59,137,101,2309,1151,521,1427,1229,419,5849,3119,5417,10271, %T A242807 1607,9629,1019,809,13217,9239,15581,8819,29021,84059,13679,18911, %U A242807 14867,45119,54401,60647,60089,142589,78137,61979,179381,26681,123377,293861,89519 %N A242807 Smallest lesser of twin primes (A001359) with index n, or a(n)=0, if there are no such twin primes. %C A242807 For definition of index of twin primes pair, see A242767. %C A242807 We conjecture that, for every n, a(n)>0. %Y A242807 Cf. A001359, A242758, A242767. %K A242807 nonn %O A242807 1,1 %A A242807 _Vladimir Shevelev_, May 23 2014 %E A242807 More terms from _Peter J. C. Moses_, May 26 2014