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 A072536 #8 Dec 05 2013 19:55:21 %S A072536 2,3,5,13,29,47,89,223,359,983,2011,4789,9749,24593,63247,151429, %T A072536 414949,932483,2368097,7240291,17142031,31486613,99310681,245196613, %U A072536 627886811,1714144123,5036961509,13657860553,39103788247,95188254433 %N A072536 a(1) = 2, a(2) = 3, a(3) = 5 and a(n) = the smallest prime which is a linear combination of previous three terms with all coefficients >=1. %Y A072536 Cf. A072537, A000040, A062391. %K A072536 nonn %O A072536 1,1 %A A072536 _Amarnath Murthy_, Aug 03 2002 %E A072536 More terms from _Sascha Kurz_, Feb 12 2003