id:A067858 - OEIS Search Results

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J_n(n), where J is the Jordan function, J_n(n) = n^n product{p|n}(1 - 1/p^n), the product is over the distinct primes, p, dividing n.

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1, 3, 26, 240, 3124, 45864, 823542, 16711680, 387400806, 9990233352, 285311670610, 8913906892800, 302875106592252, 11111328602468784, 437893859848932344, 18446462598732840960, 827240261886336764176 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`J_n(n) = sum{k\|n} mu(n/k) k^n, where mu() is the Moebius function.`
	CROSSREFS	`Sequence in context: A037671 A037797 A071846 this_sequence A052141 A062793 A048861` `Adjacent sequences: A067855 A067856 A067857 this_sequence A067859 A067860 A067861`
	KEYWORD	`nonn`
	AUTHOR	`Leroy Quet (qq-quet(AT)mindspring.com), Feb 15 2002`

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

AT&T Labs Research