id:A074372 - OEIS Search Results

Search: id:A074372

Displaying 1-1 of 1 results found.

page 1

1 + the sum of the distinct primes dividing n.

+0
3

1, 3, 4, 3, 6, 6, 8, 3, 4, 8, 12, 6, 14, 10, 9, 3, 18, 6, 20, 8, 11, 14, 24, 6, 6, 16, 4, 10, 30, 11, 32, 3, 15, 20, 13, 6, 38, 22, 17, 8, 42, 13, 44, 14, 9, 26, 48, 6, 8, 8, 21, 16, 54, 6, 17, 10, 23, 32, 60, 11, 62, 34, 11, 3, 19, 17, 68, 20, 27, 15, 72, 6, 74, 40, 9, 22, 19, 19, 80, 8 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Neville Holmes, Integer Sequences`
	EXAMPLE	`2: 3 (1+2); 3: 4 (1+3); 4: 3 (1+2); 5: 6 (1+5); 6: 6 (1+2+3); ...`
	MAPLE	`with(numtheory): a:=proc(n) local F: F:=convert(factorset(n), list): 1+sum(F[j], j=1..nops(F)) end: seq(a(n), n=1..90); (Deutsch)`
	CROSSREFS	`Equals 1 + A008472.` `Cf. A001414, A008472, A036288.` `Sequence in context: A005092 A136195 A117892 this_sequence A049276 A101684 A061800` `Adjacent sequences: A074369 A074370 A074371 this_sequence A074373 A074374 A074375`
	KEYWORD	`easy,nonn`
	AUTHOR	`Neville Holmes (neville.holmes(AT)utas.edu.au), Aug 22 2002`
	EXTENSIONS	`Corrected and extended by Emeric Deutsch (deutsch(AT)duke.poly.edu), Mar 12 2005`

page 1

Search completed in 0.002 seconds

Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

AT&T Labs Research