id:A006473 - OEIS Search Results

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C(n,2)!/n!.
(Formerly M5217)

+0
1

1, 30, 30240, 1816214400, 10137091700736000, 7561714896123855667200000, 1025113885554181044609786839040000000 (list; graph; listen)

	OFFSET	`3,2`
	REFERENCES	`N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).` `O. Frank and K. Svensson, On probability distributions of single-linkage dendrograms, Journal of Statistical Computation and Simulation, 12 (1981), 121-131.`
	CROSSREFS	`Sequence in context: A088853 A135349 A159373 this_sequence A115459 A135421 A028668` `Adjacent sequences: A006470 A006471 A006472 this_sequence A006474 A006475 A006476`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.