id:A102018 - OEIS Search Results

Search: id:A102018

Displaying 1-1 of 1 results found.

page 1

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

1, 21, 291, 2817, 2991, 4435, 20617, 45421, 69271, 75841 (list; graph; listen)

	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: A025967 A022452 A101703 this_sequence A086947 A101700 A022291` `Adjacent sequences: A102015 A102016 A102017 this_sequence A102019 A102020 A102021`
	KEYWORD	`nonn,base`
	AUTHOR	`Gunnar Arn Stefainsson (gos(AT)hell.is), Jun 19 2007`

page 1

Search completed in 0.002 seconds

Last modified November 30 22:12 EST 2008. Contains 150989 sequences.

AT&T Labs Research