A071729 Expansion of (1+x^3*C)*C^4, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.

1, 4, 14, 49, 170, 592, 2077, 7347, 26195, 94080, 340136, 1237090, 4523615, 16621732, 61343875, 227296695, 845252415, 3153656040, 11802018060, 44289999150, 166635655320, 628432803024, 2375216296554, 8995668139262

Offset

0,2

Links

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

Crossrefs

Sequence in context: A345326 A327610 A110686 * A278692 A071733 A291384

Adjacent sequences: A071726 A071727 A071728 * A071730 A071731 A071732

Keyword

nonn

Author

N. J. A. Sloane, Jun 06 2002

Status

approved