A070859 - OEIS

A070859

Expansion of (1+x*C^4)*C, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.

%I #3 Mar 30 2012 16:49:24

%S 1,2,7,25,89,317,1133,4069,14690,53312,194446,712538,2622437,9690475,

%T 35941065,133756845,499349550,1869614340,7018807650,26415146190,

%U 99642310170,376674137034,1426776136770,5414477628770,20583342248324

%N Expansion of (1+x*C^4)*C, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.

%K nonn

%O 0,2

%A _N. J. A. Sloane_, Jun 06 2002