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A102018 Numbers n with property that the decimal expansion of n is a permutation of the digits of the decimal expansion of phi(n) and the ratio n/phi(n) is a new record low value. 0
1, 21, 291, 2817, 2991, 4435, 20617, 45421, 69271, 75841 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

Project Euler, Investigate values of n for which phi(n) is a permutation of n.

CROSSREFS

Cf. A000010.

Sequence in context: A022452 A183731 A101703 * A086947 A101700 A022291

Adjacent sequences:  A102015 A102016 A102017 * A102019 A102020 A102021

KEYWORD

nonn,base

AUTHOR

Gunnar Arn Stefainsson (gos(AT)hell.is), Jun 19 2007

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Last modified February 14 10:43 EST 2012. Contains 205614 sequences.