id:A129364 - OEIS Search Results

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Product A066841(k), k = 1..n.

+0
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1, 2, 6, 96, 480, 207360, 1451520, 2972712960, 722369249280, 5778953994240000, 63568493936640000, 9111096278347394580480000, 118444251618516129546240000, 10400352846118664303196241920000 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Conjecture: a(n) divides A092287(n) for all n - see comments in A129365.`
	FORMULA	`a(n) = product[product{d\|k} d^(k/d)], k = 1..n. a(n) = product[((floor(n/k))!)^k], k = 1..n.`
	CROSSREFS	`Cf. A007955, A066841, A092143, A092287, A129365.` `Adjacent sequences: A129361 A129362 A129363 this_sequence A129365 A129366 A129367` `Sequence in context: A128265 A087277 A007188 this_sequence A092287 A035482 A007870`
	KEYWORD	`easy,nonn`
	AUTHOR	`Peter Bala (pbala(AT)toucansurf.com), Apr 11 2007`

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Last modified October 12 14:39 EDT 2008. Contains 144830 sequences.

AT&T Labs Research