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A065758 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|). 0
6, 10, 20, 40, 50, 80, 230, 460, 920, 5278, 10556, 21112, 36946, 42224, 68614, 73892, 84448 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

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 * A085274 A175648 A178661

Adjacent sequences:  A065755 A065756 A065757 * A065759 A065760 A065761

KEYWORD

nonn

AUTHOR

Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Dec 04 2001

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Last modified February 16 13:30 EST 2012. Contains 205909 sequences.