id:A072158 - OEIS Search Results

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Numerator of Sum_{k=1..n} phi(k)/k^3.

+0
2

1, 9, 259, 1063, 136331, 15259, 5305837, 21351973, 1740485813, 1745820149, 2337022458319, 2341131255319, 5164765371583843, 5173292359195843, 5182536034853059, 20760610355567611, 102246457919648504843, 3789825999242633809, 26045507479622115279931, 26064975970269506857723 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`1, 9/8, 259/216, 1063/864, 136331/108000, 15259/12000, ...`
	CROSSREFS	`Cf. A072159.` `Sequence in context: A025133 A160073 A157575 this_sequence A001823 A117796 A117051` `Adjacent sequences: A072155 A072156 A072157 this_sequence A072159 A072160 A072161`
	KEYWORD	`nonn,frac`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Jun 28 2002`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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