id:A115917 - OEIS Search Results

Search: id:A115917

Displaying 1-1 of 1 results found.

page 1

Numbers n such that sigma(n)-phi(n) is a brilliant number (A078972).

+0
1

6, 10, 49, 242, 289, 512, 578, 800, 900, 1250, 2048, 5041, 15625, 17424, 22201, 22472, 26450, 28900, 48400, 60025, 62001, 65536, 69169, 91592, 131072, 144722, 146689, 151321, 160801, 201601, 212521, 236196, 242064, 252050, 253009 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`sigma(62001)-phi(62001)=49813=109*457.`
	CROSSREFS	`Cf. A078972, A115916.` `Sequence in context: A068588 A083333 A032359 this_sequence A115741 A136843 A136848` `Adjacent sequences: A115914 A115915 A115916 this_sequence A115918 A115919 A115920`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 06 2006`

page 1

Search completed in 0.002 seconds

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

AT&T Labs Research