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 A074056 #2 Mar 30 2012 18:51:39 %S A074056 1,1,2,10,270,199530,109021396230,32547610062433062370530, %T A074056 2900907183084129462928443491816490142071240030, %U A074056 23044287863704114233982017840826804806870854633710605340763217534502946372713488874512819930 %N A074056 a(n)=a(n-1)^3/a(n-2)^2+a(n-1)*a(n-2) with a(1)=a(2)=1. %F A074056 a(n) =a(n-1)*A057438(n) =A057438(n+2)-A057438(n+1)^2 and is about 0.365177806085453...*1.2292734309189943...^(2^n). %e A074056 a(5)=10^3/2^2+10*2=250+20=270. %Y A074056 Partial products of A057438. %K A074056 nonn %O A074056 1,3 %A A074056 _Henry Bottomley_, Aug 14 2002