id:A033031 - OEIS Search Results

Search: id:A033031

Displaying 1-1 of 1 results found.

page 1

Square-free kernels of 3-smooth numbers.

+0
1

1, 2, 3, 2, 6, 2, 3, 6, 2, 6, 6, 3, 2, 6, 6, 6, 2, 6, 3, 6, 6, 2, 6, 6, 6, 6, 3, 2, 6, 6, 6, 6, 6, 2, 6, 6, 3, 6, 6, 6, 2, 6, 6, 6, 6, 6, 6, 2, 3, 6, 6, 6, 6, 6, 6, 2, 6, 6, 6, 6, 6, 3, 6, 6, 2, 6, 6, 6, 6, 6, 6, 6, 6, 2, 6, 6, 3, 6, 6, 6, 6, 6, 6, 2, 6, 6, 6, 6, 6, 6, 6, 6, 3, 6, 2, 6, 6, 6, 6, 6, 6, 6 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n) = A007947(A003586(n)).` `a(n) = (20^(A022328(n)-1)) (3*0^(A022329(n)-1)) for n>1. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 18 2003`
	EXAMPLE	`A003586(17) = 64 = 2^6 -> a(17) = 2,` `A003586(18) = 72 = 2^3 * 3^2 -> a(18) = 2*3 = 6,` `A003586(19) = 81 = 3^4 -> a(19) = 3.`
	CROSSREFS	`Sequence in context: A037279 A085307 A078599 this_sequence A134060 A097914 A113710` `Adjacent sequences: A033028 A033029 A033030 this_sequence A033032 A033033 A033034`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 21 2003`

page 1

Search completed in 0.004 seconds

Last modified December 4 14:10 EST 2008. Contains 151280 sequences.

AT&T Labs Research