%I A046208
%S A046208 1,2,1,3,1,12,1,4,1,20,1,5,1,60,1,30,1,6,1,105,1,42,1,7,1,280,1,168,1,
%T A046208 56,1,8,1,504,1,252,1,72,1,9,1,1260,1,840,1,360,1,90,1,10,1,2310,1,
%U A046208 1320,1,495,1,110,1,11,1,5544,1,3960,1,1980,1,660,1,132,1,12,1,10296,1
%N A046208 In Leibniz's Harmonic Triangle, write the numerator first and then the 
               denominator of each element to the right of the central elements.
%D A046208 L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 83, Problem 25.
%Y A046208 Cf. A003506.
%Y A046208 Sequence in context: A090559 A098570 A122048 this_sequence A006241 A137764 
               A057082
%Y A046208 Adjacent sequences: A046205 A046206 A046207 this_sequence A046209 A046210 
               A046211
%K A046208 tabf,nonn,easy
%O A046208 1,2
%A A046208 Mohammad K. Azarian (ma3(AT)evansville.edu)
%E A046208 More terms from James A. Sellers (sellersj(AT)math.psu.edu), Dec 13 1999