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%I #5 Mar 04 2018 17:45:25
%S 1,1,1,1,1,1,2,2,2,6,6,6,12,12,12,60,60,60,60,60,60,420,420,420,840,
%T 840,840,2520,2520,2520,2520,2520,2520,27720,27720,27720,27720,27720,
%U 27720,360360,360360,360360,360360,360360,360360,360360,360360,360360,720720
%N a(n) = lcm(1..floor(n/3)).
%C Row products of A139551.
%Y Cf. A139551, A003418.
%K nonn
%O 0,7
%A _Mats Granvik_, Apr 27 2008