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A071733 Expansion of (1+x^3*C^2)*C^4, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108. 0
1, 4, 14, 49, 171, 599, 2112, 7501, 26832, 96628, 350132, 1275850, 4672841, 17193765, 63531060, 235647765, 877118340, 3275236800, 12266009940, 46061604510, 173404343190, 654313080174, 2474251490448, 9374968922354 (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: A110686 A071729 A278692 * A291384 A010904 A277084

Adjacent sequences:  A071730 A071731 A071732 * A071734 A071735 A071736

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 06 2002

STATUS

approved

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Last modified October 20 01:39 EDT 2018. Contains 316378 sequences. (Running on oeis4.)