id:A072159 - OEIS Search Results

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

+0
2

1, 8, 216, 864, 108000, 12000, 4116000, 16464000, 1333584000, 1333584000, 1775000304000, 1775000304000, 3899675667888000, 3899675667888000, 3899675667888000, 15598702671552000, 76636426225334976000, 2838386156493888000, 19468490647391577792000, 19468490647391577792000 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`1, 9/8, 259/216, 1063/864, 136331/108000, 15259/12000, ...`
	CROSSREFS	`Cf. A072158.` `Sequence in context: A081794 A048433 A027646 this_sequence A016827 A163289 A060459` `Adjacent sequences: A072156 A072157 A072158 this_sequence A072160 A072161 A072162`
	KEYWORD	`nonn,frac`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Jun 28 2002`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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