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Search: id:A061704
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A061704 Number of cubes dividing n. +0
3
1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1 (list; graph; listen)
OFFSET

1,8

COMMENT

Multiplicative with a(p^e) = [e/3]+1. - Mitch Harris, Apr 19 2005.

FORMULA

a(n) =A000005(A053150(n))

Multiplicative with a(p^e) = [e/3]+1.

EXAMPLE

a(128)=4 since 128 is divisible by 1^3=1, 2^3=8 and 4^3=64.

CROSSREFS

Cf. A046951.

Sequence in context: A076250 A136713 A043281 this_sequence A050361 A072911 A053150

Adjacent sequences: A061701 A061702 A061703 this_sequence A061705 A061706 A061707

KEYWORD

nonn,mult

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), Jun 18 2001

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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