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 A088944 #6 Mar 30 2012 18:39:21 %S A088944 6,12,60,60,84,84,60,60,132,132,5460,5460,12,12,1020,1020,1596,1596, %T A088944 660,660,276,276,5460,5460,12,12,60,60,28644,28644,1020,1020 %N A088944 a(n) = least k such that for any m>=0 k*sum(1<=u<=v<=w<=m,u^n*v/w) is an integer. %F A088944 for n>=1 a(2n+1)=a(2n) %Y A088944 Cf. A088941, A088942, A088943, A088945. %K A088944 nonn %O A088944 0,1 %A A088944 _Benoit Cloitre_, Oct 25 2003