A071753 Expansion of (1+x^4*C^3)*C^4, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.

1, 4, 14, 48, 166, 579, 2037, 7226, 25831, 92988, 336872, 1227400, 4495191, 16540013, 61116635, 226700190, 843851715, 3151174800, 11802018060, 44321634960, 166863174240, 629665197174, 2381173300698, 9022761052340

Offset

0,2

Links

Table of n, a(n) for n=0..23.

Crossrefs

Sequence in context: A047048 A071745 A071749 * A071757 A082590 A085280

Adjacent sequences: A071750 A071751 A071752 * A071754 A071755 A071756

Keyword

nonn

Author

N. J. A. Sloane, Jun 06 2002

Status

approved