id:A004677 - OEIS Search Results

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

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1, 1, 1, 2, 11, 91, 17, 323, 4807, 3289, 8671, 11687, 15283, 10743949, 15189721, 21069613, 1339779509, 1339779509, 101007559, 101007559, 4215217889, 185371558793, 8059632991, 11489264051, 815737747621 (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	`Cf. A000139.` `Adjacent sequences: A004674 A004675 A004676 this_sequence A004678 A004679 A004680` `Sequence in context: A099662 A099693 A138552 this_sequence A094955 A143870 A047854`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.

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