A071745 - OEIS

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A071745

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

0

1, 4, 14, 48, 166, 577, 2022, 7147, 25469, 91441, 330516, 1201900, 4394415, 16145630, 59583202, 220763545, 820933365, 3062860665, 11462088180, 43014021480, 161834455920, 610326088974, 2306785989804, 8736538458998

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

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

CROSSREFS

Sequence in context: A099376 A002057 A047048 * A071749 A071753 A071757

Adjacent sequences: A071742 A071743 A071744 * A071746 A071747 A071748

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 06 2002

STATUS

approved