%I #2 Mar 31 2012 13:20:12
%S 1,12,72,1728,10368,4608,248832,11943936,214990848,2579890176,
%T 15479341056,371504185344,2229025112064,26748301344768,53496602689536,
%U 1711891286065152,10271347716390912,369768517790072832
%N Denominators of partial sums of Catalan numbers scaled by powers of 1/12.
%C Numerators are given under A120792.
%F a(n)=denominator(r(n)), with the rationals r(n):=sum(((1)^k)*C(k)/12^k,k=0..n) with C(k):=A000108(k) (Catalan numbers). Rationals r(n) are taken in lowest terms.
%K nonn,easy,frac
%O 0,2
%A _Wolfdieter Lang_, Jul 20 2006
