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 A179514 #2 Mar 30 2012 17:31:29 %S A179514 31,34,37,46,61,100,241,800,3733,23824,200777,2159228,28739455, %T A179514 461652916,8767088533,193511261098,4894482550975,140176399060982 %N A179514 a(1) = 31, a(n) = prime(a(n-1)) - 3a(n-1). %t A179514 NestList[ Prime@# - 3# &, 31, 17] %Y A179514 Cf. A007097, A074271, A179274, A179511, A179512, A179513, A179515, A179516, A179517, A179518. %K A179514 nonn %O A179514 1,1 %A A179514 _Robert G. Wilson v_, Jul 17 2010