id:A116042 - OEIS Search Results

Search: id:A116042

Displaying 1-1 of 1 results found.

page 1

n+phi(n)+phi(phi(n)) is a cube.

+0
4

15, 40, 293, 320, 723, 967, 1057, 1173, 2560, 4104, 5287, 6680, 10312, 14537, 16472, 18040, 18785, 19288, 19521, 20480, 22297, 27129, 32832, 32902, 33929, 36563, 38507, 53352, 53440, 80200, 82496, 85995, 86429, 98227, 101593, 105273 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`80200+phi(80200)+phi(phi(80200)) = 125000 = 50^3.`
	CROSSREFS	`Cf. A116040, A116041, A116043.` `Sequence in context: A038991 A068020 A131991 this_sequence A103003 A024845 A056698` `Adjacent sequences: A116039 A116040 A116041 this_sequence A116043 A116044 A116045`
	KEYWORD	`nonn`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 13 2006`

page 1

Search completed in 0.002 seconds

Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

AT&T Labs Research