%I

%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