id:A087247 - OEIS Search Results

Search: id:A087247

Displaying 1-1 of 1 results found.

page 1

Square-free deficient nonprime numbers.

+0
4

1, 10, 14, 15, 21, 22, 26, 33, 34, 35, 38, 39, 46, 51, 55, 57, 58, 62, 65, 69, 74, 77, 82, 85, 86, 87, 91, 93, 94, 95, 105, 106, 110, 111, 115, 118, 119, 122, 123, 129, 130, 133, 134, 141, 142, 143, 145, 146, 154, 155, 158, 159, 161, 165, 166, 170, 177, 178, 182, 183 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`m=105=3.5.7 and sigma[105]=1+3+5+7+15+21+35+105=192<210=2m.` `The sequence differs from A006881: first number` `with 3 distinct prime factors is 105.`
	CROSSREFS	`Cf. A087244-A087248, A008683, A000203, A013929, A005117, A005100, A005101.` `Sequence in context: A036338 A108793 A100929 this_sequence A171156 A088711 A154774` `Adjacent sequences: A087244 A087245 A087246 this_sequence A087248 A087249 A087250`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Sep 05 2003`

page 1

Search completed in 0.002 seconds

Last modified March 20 09:10 EDT 2010. Contains 173642 sequences.

AT&T Labs Research