id:A000441 - OEIS Search Results

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Related to the divisor function.
(Formerly M4613 N1968)

+0
1

1, 9, 34, 95, 210, 406, 740, 1161, 1920, 2695, 4116, 5369, 7868, 9690, 13640, 16116, 22419, 25365, 34160, 38640, 50622, 55154, 73320, 77225, 100100, 107730 (list; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`J. Touchard, On prime numbers and perfect numbers, Scripta Math., 129 (1953), 35-39.`
	CROSSREFS	`Sequence in context: A100179 A106598 A014816 this_sequence A067989 A002881 A005344` `Adjacent sequences: A000438 A000439 A000440 this_sequence A000442 A000443 A000444`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research