id:A062348 - OEIS Search Results

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n! / number of distinct prime divisors of n.

+0
1

2, 6, 24, 120, 360, 5040, 40320, 362880, 1814400, 39916800, 239500800, 6227020800, 43589145600, 653837184000, 20922789888000, 355687428096000, 3201186852864000, 121645100408832000, 1216451004088320000 (list; graph; listen)

	OFFSET	`2,1`
	FORMULA	`a(n) = n! / omega(n).`
	PROGRAM	`(PARI) for(n=2, 24, print(n!/omega(n)))`
	CROSSREFS	`Sequence in context: A083267 A130480 A048631 this_sequence A072856 A070946 A060726` `Adjacent sequences: A062345 A062346 A062347 this_sequence A062349 A062350 A062351`
	KEYWORD	`easy,nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Jul 06 2001`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research