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%I #5 Aug 29 2014 08:43:24
%S 1,1,2,2,4,2,6,2,6,4,10,4,12,6,8,4,16,6,18,8,12
%N (Order of Galois group of Chebyshev polynomial)/(order of polynomial); or A124827(n)/n.
%Y Cf. A124827.
%K nonn,uned,more
%O 1,3
%A _Artur Jasinski_, Feb 02 2007