%I #5 Jul 30 2015 22:18:17
%S 2,3,4,1,1,1,1,9,10,11,4,13,14,5,16,17,3,19,10,7,11,23,4,25,26,27,28,
%T 29,10,31,32,33,34,35,36,37,19,39,20,41,3,43,22,45,23,47,24,7,10,17,
%U 52,53,18,11,56,19,58,59,4,61,62,21,64,13,33,67,17,69,7,71,18,73,74
%N Denominators of running averages of A052409.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/NivensConstant.html">Niven's Constant</a>
%e 1/2, 2/3, 3/4, 1, 1, 1, 1, 11/9, 13/10, 14/11, ...
%Y Cf. A052409, A086195.
%K nonn,frac
%O 1,1
%A _Eric W. Weisstein_, Jul 11 2003