%I
%S 1,1,2,1,1,1,4,3,5,1,1,1,7,1,8,1,3,1,1,1,11,1,2,5,13,9,1,1,1,1,16,11,
%T 17,1,3,1,19,13,2,1,1,1,22,3,23,1,4,7,25,17,26,1,9,1,1,19,29,1,2,1,31,
%U 1,32,1,11,1,34,23,2,1,1,1,37,5,38,1,13,1,4,27
%N n/(b*c), where b/c is the least reduced fraction > 1 using divisors b and c of n.
%H Clark Kimberling, <a href="/A219094/b219094.txt">Table of n, a(n) for n = 2..10000</a>
%e For n = 2,...,12, the fractions are 2/1, 3/1, 2/1, 5/1, 3/2, 7/1, 2/1, 3/1, 2/1, 11/1, 4/3, so that
%e A218993 = (2, 3, 2, 5, 3, 7, 2, 3, 2, 11, 4, ... );
%e A219093 = (1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 3, ... );
%e A219094 = (1, 1, 2, 1, 1, 1, 4, 3, 5, 1, 1, ... );
%e A219095 = (6, 12, 15, 18, 20, 21, 24, 28, 30, 35, 36, ... ).
%t (See A218993.)
%Y Cf. A218993, A219093, A219095.
%K nonn,easy
%O 2,3
%A _Clark Kimberling_, Feb 06 2013
