%I #2 Mar 31 2012 13:20:12
%S 1,1,7,109,2383,61621,1755127,53192749,1683052063,54960231781,
%T 1838511095047,62680788397789,2170059386074543,76086971405595541,
%U 2696276508804038167,96415261773063801229,3474635368976138997823
%N Generalized Catalan numbers C(2,5;n)=C(5,2;n).
%C See A116873 for C(2,3;n) and the Derrida et al., Schuetz-Domany and Liggett references.
%F G.f.: (2+13*x+30*x^2*c(10*x))/((1+5*x)*(2+x)) with the g.f. c(x) for A000108 (Catalan numbers).
%K nonn,easy
%O 0,3
%A _Wolfdieter Lang_, Mar 24 2006