id:A082473 - OEIS Search Results

Search: id:A082473

Displaying 1-1 of 1 results found.

page 1

Numbers n such that n=phi(x)*core(x) for some x<=n, where phi(x) is the Euler totient function and core(x) the square-free part of x.

+0
1

1, 2, 6, 8, 12, 20, 32, 40, 42, 48, 54, 84, 108, 110, 120, 128, 156, 160, 192, 220, 240, 252, 272, 312, 336, 342, 432, 486, 500, 504, 506, 512, 544, 640, 660, 684, 768, 812, 840, 880, 930, 936, 960, 972, 1000 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A140115 A093006 A138639 this_sequence A113462 A065392 A030457` `Adjacent sequences: A082470 A082471 A082472 this_sequence A082474 A082475 A082476`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 27 2003`

page 1

Search completed in 0.002 seconds

Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.

AT&T Labs Research