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Expansion of (1+x^3*C^4)*C^2, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.
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%I #3 Mar 30 2012 16:49:26

%S 1,2,5,15,48,159,539,1859,6500,22984,82042,295222,1069776,3900225,

%T 14296455,52656315,194777340,723281460,2695246950,10075695330,

%U 37776123840,142010723790,535172997294,2021412800430,7651226309768

%N Expansion of (1+x^3*C^4)*C^2, 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