id:A068992 - OEIS Search Results

Search: id:A068992

Displaying 1-1 of 1 results found.

page 1

Composite n such that sum(d|n, sigma(d)/tau(d)) is an integer (1 excluded).

+0
1

10, 15, 21, 26, 30, 33, 34, 35, 39, 49, 51, 55, 57, 58, 60, 65, 69, 70, 74, 75, 77, 78, 82, 85, 87, 91, 93, 95, 98, 102, 105, 106, 110, 111, 115, 119, 120, 122, 123, 129, 130, 133, 141, 143, 145, 146, 147, 155, 156, 159, 161, 165, 169, 170, 174, 177, 178, 182, 183 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A105156 A108614 A115708 this_sequence A098564 A062691 A129496` `Adjacent sequences: A068989 A068990 A068991 this_sequence A068993 A068994 A068995`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 06 2002`

page 1

Search completed in 0.002 seconds

Last modified December 2 15:58 EST 2008. Contains 150992 sequences.

AT&T Labs Research