id:A074376 - OEIS Search Results

Search: id:A074376

Displaying 1-1 of 1 results found.

page 1

s(3s-1)/2 where s is the sum of the prime factors of n (with repetition).

+0
1

0, 5, 12, 22, 35, 35, 70, 51, 51, 70, 176, 70, 247, 117, 92, 92, 425, 92, 532, 117, 145, 247, 782, 117, 145, 330, 117, 176, 1247, 145, 1426, 145, 287, 532, 210, 145, 2035, 651, 376, 176, 2501, 210, 2752, 330, 176, 925, 3290, 176, 287, 210, 590, 425, 4187 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Neville Holmes, Integer Sequence Combinations`
	EXAMPLE	`a(20) = 9(39-1)/2 = 117 because 9 = 2+2+5 and 20 = 22*5.`
	CROSSREFS	`Applies A000326 to A001414. Cf. A074373, A074374, A074375.` `Sequence in context: A028347 A038794 A131976 this_sequence A134340 A000326 A022795` `Adjacent sequences: A074373 A074374 A074375 this_sequence A074377 A074378 A074379`
	KEYWORD	`easy,nonn`
	AUTHOR	`Neville Holmes (neville.holmes(AT)utas.edu.au), Aug 29 2002`

page 1

Search completed in 0.002 seconds

Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

AT&T Labs Research