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%I #12 Jun 22 2013 16:05:38
%S 1,3,3,5,5,7,105,105,7,9,9,11,495,495,11,13,6435,6435,13,15,1365,
%T 15015,45045,45045,15015,1365,15,17,17,19,2907,2907,19,21,101745,
%U 101745,21,23,5313,168245,1716099,1716099,168245,5313,23,25,18386775,18386775,25
%N 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
%e 1/2, 1/2; -->
%e 1/3, 1/6, 1/3; --> 3 3
%e 1/4, 1/12, 1/12, 1/4; --> ...
%e 1/5, 1/20, 1/30, 1/20, 1/5; ...
%Y Cf. A003506.
%K tabf,nonn,easy,less
%O 1,2
%A _Mohammad K. Azarian_
%E More terms from _James A. Sellers_, Dec 13 1999