id:A004824 - OEIS Search Results

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Numerator of 2^n*(3*n-3)!/( ((n-1)!)^3 * (2*n)! ).

+0
1

1, 1, 1, 3, 36, 900, 675, 66150, 6350400, 34292160, 857304000, 12966723000, 222286680000, 2366686281960000, 57983813908020000, 1581376742946000000, 2226578454067968000000, 55155529133626521600000 (list; graph; listen)

	OFFSET	`1,4`
	REFERENCES	`Valtr, Pavel; The probability that $n$ random points in a triangle are in convex position. Combinatorica 16 (1996), no. 4, 567-573.`
	LINKS	`Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.`
	CROSSREFS	`Sequence in context: A121245 A144758 A122220 this_sequence A132912 A126447 A102921` `Adjacent sequences: A004821 A004822 A004823 this_sequence A004825 A004826 A004827`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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