id:A166647 - OEIS Search Results

Search: id:A166647

Displaying 1-1 of 1 results found.

page 1

Totally multiplicative sequence with a(p) = 7*(p+1) for prime p.

+0
1

1, 21, 28, 441, 42, 588, 56, 9261, 784, 882, 84, 12348, 98, 1176, 1176, 194481, 126, 16464, 140, 18522, 1568, 1764, 168, 259308, 1764, 2058, 21952, 24696, 210, 24696, 224, 4084101, 2352, 2646, 2352, 345744, 266, 2940, 2744, 388962, 294, 32928, 308 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`Multiplicative with a(p^e) = (7(p+1))^e. If n = Product p(k)^e(k) then a(n) = Product (7(p(k)+1)^e(k). a(n) = A165828(n) * A003959(n) = 7^bigomega(n) * A003959(n) = 7^A001222(n) * A003959(n).`
	CROSSREFS	`Sequence in context: A130202 A162692 A048067 this_sequence A119107 A004196 A077787` `Adjacent sequences: A166644 A166645 A166646 this_sequence A166648 A166649 A166650`
	KEYWORD	`nonn`
	AUTHOR	`Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Oct 18 2009`

page 1

Search completed in 0.002 seconds

Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

AT&T Labs Research