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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.
0
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
CROSSREFS
Sequence in context: A345326 A327610 A110686 * A278692 A071733 A291384
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 06 2002
STATUS
approved