%I #28 Feb 26 2024 01:59:07
%S 1,1,2,3,8,15,144,35,1152,2835,6400,6237,6220800,1001,609638400,
%T 13030875,1605632,221524875,21069103104,5773625,52672757760000,
%U 311834363841,39649280000,652017306213,18730002677760000
%N a(0)=1; a(n) is the smallest positive integer such that lcm(a(n-1), a(n)) = n!.
%H Charlie Neder, <a href="/A129108/b129108.txt">Table of n, a(n) for n = 0..619</a>
%F If n! = Product p_i^e_i, then a(n) = Product{p_i^e_i : n has even remainder mod p_i}. - _Charlie Neder_, Jan 06 2019
%e lcm(a(5), a(6)) = lcm(15, 144) = 720 = 6!.
%K nonn
%O 0,3
%A _Leroy Quet_, May 24 2007
%E More terms from _R. J. Mathar_, Jun 15 2007
%E a(14)-a(24) corrected by _Charlie Neder_, Jan 06 2019