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%I #6 Mar 30 2012 18:39:21
%S 6,12,60,60,84,84,60,60,132,132,5460,5460,12,12,1020,1020,1596,1596,
%T 660,660,276,276,5460,5460,12,12,60,60,28644,28644,1020,1020
%N 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 for n>=1 a(2n+1)=a(2n)
%Y Cf. A088941, A088942, A088943, A088945.
%K nonn
%O 0,1
%A _Benoit Cloitre_, Oct 25 2003
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