id:A049010 - OEIS Search Results

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Mean divisor of n differs by <= 1 from mean divisor of all numbers from 1 to n-1.

+0
1

1, 3, 4, 6, 360, 420, 480, 504, 630, 1400, 1540, 1760, 1820, 2912, 4440, 4464, 6888, 7150, 8856, 9920, 10290, 14805, 18330, 23058, 30784, 31725, 42822, 50864, 52338, 58653, 81627, 96186, 114513, 117819, 161253 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`At 161253, 10920.0-10919.87+=0.127+, which is a difference of <1.`
	CROSSREFS	`Cf. A048978.` `Adjacent sequences: A049007 A049008 A049009 this_sequence A049011 A049012 A049013` `Sequence in context: A019120 A066466 A129293 this_sequence A095877 A024476 A093087`
	KEYWORD	`easy,nonn`
	AUTHOR	`Enoch Haga (Enokh(AT)comcast.net)`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

AT&T Labs Research