%I #9 Jun 22 2013 16:05:38
%S 1,3,5,7,105,9,11,495,13,6435,15,1365,15015,45045,17,19,2907,21,
%T 101745,23,5313,168245,1716099,25,18386775,27,8775,42181425,143416845,
%U 29,593775,90135045,882230895,31,13485,849555,18407025,181440675
%N Distinct odd numbers in the triangle of denominators in Leibniz's Harmonic Triangle.
%D L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 83, Problem 25.
%e 1/1; 1/2, 1/2; 1/3, 1/6, 1/3; 1/4, 1/12, 1/12, 1/4; 1/5, 1/20, 1/30, 1/20, 1/5; ...
%Y Cf. A003506, A046202.
%K tabf,nonn,easy
%O 1,2
%A _Mohammad K. Azarian_
%E More terms from _James A. Sellers_, Dec 13 1999