id:A068333 - OEIS Search Results

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Product(n/k - k) where the product is over the divisors k of n and where 1 <= k <= sqrt(n).

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0, 1, 2, 0, 4, 5, 6, 14, 0, 27, 10, 44, 12, 65, 28, 0, 16, 357, 18, 152, 80, 189, 22, 2300, 0, 275, 156, 972, 28, 2639, 30, 1736, 256, 495, 68, 0, 36, 629, 380, 12636, 40, 8569, 42, 6020, 2112, 945, 46, 215072, 0, 5635, 700, 11016, 52, 59625 (list; graph; listen)

	OFFSET	`1,3`
	EXAMPLE	`a(8) = (8 - 1) (4 - 2) = 14 because 1 and 2 are the divisors of 8 which are <= sqrt(8).`
	CROSSREFS	`Adjacent sequences: A068330 A068331 A068332 this_sequence A068334 A068335 A068336` `Sequence in context: A111677 A049271 A004178 this_sequence A121451 A096984 A104601`
	KEYWORD	`nonn`
	AUTHOR	`Leroy Quet (qq-quet(AT)mindspring.com), Feb 27 2002`

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Last modified October 15 20:12 EDT 2008. Contains 145099 sequences.

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