A071737 - OEIS

A071737

Expansion of (1+x^3*C^3)*C^4, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.

%I #3 Mar 30 2012 16:49:26

%S 1,4,14,49,172,607,2156,7709,27742,100436,365636,1337866,4917998,

%T 18155165,67280520,250215045,933566550,3493585920,13109631540,

%U 49318717470,185974763520,702820113918,2661438889896,10097446604434

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