%I #2 Mar 30 2012 18:37:22
%S 1,4,42,768,20680,749040,34497792,1944626432,130528288512,
%T 10219233265920,918320724657600,93509880099305472,
%U 10677268138244018688,1355273477576934150144,189834913883100796531200
%N E.g.f. A(x) = G(x)^2/x where G(x) satisfies: G(G(x))^2 = G(x)^2 * G'(x) and G(x) is the g.f. of A179499.
%e E.g.f.: A(x) = x + 4*x^2/2! + 42*x^3/3! + 768*x^4/4! + 20680*x^5/5! +...
%Y Cf. A179497, A179498, A179420.
%K nonn
%O 1,2
%A _Paul D. Hanna_, Jul 31 2010