%I A079929
%S A079929 1,8,280,22400,3203200,717516800,231757926400,101973487616000,
%T A079929 58634755379200000,42686101916057600000,38374805622535782400000,
%U A079929 41751788517318931251200000,54068566129928015970304000000
%N A079929 a(n)=(3*n+1)!/(n!*3^n).
%F A079929 In Maple notation, hypergeometric generating function sum(a(n)*x^n/(n!)^2, 
               n=0..infinity) = hypergeom([2/3, 4/3], [1], 9*x)
%Y A079929 Sequence in context: A129424 A159496 A045479 this_sequence A136364 A089670 
               A060355
%Y A079929 Adjacent sequences: A079926 A079927 A079928 this_sequence A079930 A079931 
               A079932
%K A079929 nonn
%O A079929 0,2
%A A079929 Karol A. Penson (penson(AT)lptl.jussieu.fr), Jan 16 2003