id:A065758 - OEIS Search Results

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Numbers n divided by n - phi(n) in approximately the golden ratio, i.e. n such that for some r, n is a r-digit minimizer of |(k / (k - EulerPhi(k))) - golden ratio phi|).

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6, 10, 20, 40, 50, 80, 230, 460, 920, 5278, 10556, 21112, 36946, 42224, 68614, 73892, 84448 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Dual to A065657.`
	LINKS	`Pe, J., On Approximate Harmonic Division of n by phi(n)`
	EXAMPLE	`\|10/(10-phi(10))\| = .0486237 (approximately) is minimal for 2-digit numbers. \|460/(460-phi(460))\| = .00168432 (approximately) is minimal for 3-digit numbers.`
	CROSSREFS	`Cf. A065657.` `Sequence in context: A117349 A153369 A107981 this_sequence A085274 A030007 A058549` `Adjacent sequences: A065755 A065756 A065757 this_sequence A065759 A065760 A065761`
	KEYWORD	`nonn`
	AUTHOR	`Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Dec 04 2001`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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