id:A073540 - OEIS Search Results

Search: id:A073540

Displaying 1-1 of 1 results found.

page 1

Composite n such that n/phi(n)-sigma(n)/n has numerator equal to 1.

+0
1

4, 6, 8, 9, 16, 24, 25, 27, 28, 32, 40, 49, 64, 81, 121, 125, 128, 169, 224, 243, 256, 289, 343, 360, 361, 496, 512, 529, 625, 672, 729, 841, 864, 936, 961, 1024, 1331, 1369, 1681, 1849, 2016, 2048, 2176, 2187, 2197, 2209, 2401, 2809, 3125, 3481, 3721, 4096 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A118951 A163282 A095404 this_sequence A123710 A075243 A024370` `Adjacent sequences: A073537 A073538 A073539 this_sequence A073541 A073542 A073543`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 27 2002`

page 1

Search completed in 0.002 seconds

Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

AT&T Labs Research