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 A132840 #2 Mar 30 2012 18:37:05 %S A132840 1,1,3,11,44,184,800,3544,15950,72666,334276,1549876,7232910,33939590, %T A132840 160002964,757355152,3597467523,17140996739,81896369733,392242556233, %U A132840 1882772831063,9055276934011,43630125033845,210563441647421 %N A132840 Largest integer terms forming a self-convolution fifth-root of a sequence (A132839) such that: A132839(n) <= 5*A132839(n-1) for n>0 with A132839(0)=1. %Y A132840 Cf. A132839 (fifth power). %K A132840 nonn %O A132840 0,3 %A A132840 _Paul D. Hanna_, Sep 10 2007