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A019555 Smallest number whose cube is divisible by n. +0
10
1, 2, 3, 2, 5, 6, 7, 2, 3, 10, 11, 6, 13, 14, 15, 4, 17, 6, 19, 10, 21, 22, 23, 6, 5, 26, 3, 14, 29, 30, 31, 4, 33, 34, 35, 6, 37, 38, 39, 10, 41, 42, 43, 22, 15, 46, 47, 12, 7, 10, 51, 26, 53, 6, 55, 14, 57, 58, 59, 30, 61, 62, 21, 4, 65, 66, 67, 34, 69, 70, 71, 6, 73, 74, 15, 38, 77, 78 (list; graph; listen)
OFFSET

1,2

REFERENCES

F. Smarandache, "Collected Papers", Vol. II, Tempus Publ. Hse, Bucharest, 1996.

LINKS

H. Bottomley, Some Smarandache-type multiplicative sequences

M. L. Perez et al., eds., Smarandache Notions Journal

F. Smarandache, Collected Papers, Vol. II

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

FORMULA

Replace any cubic factors in n by their cube roots.

CROSSREFS

a(n)=n/A000189(n). Cf. A019554, A015050.

Sequence in context: A062953 A015052 A053166 this_sequence A052410 A072775 A090078

Adjacent sequences: A019552 A019553 A019554 this_sequence A019556 A019557 A019558

KEYWORD

nonn,easy,mult

AUTHOR

R. Muller

EXTENSIONS

Corrected and extended by David W. Wilson.

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Last modified December 4 12:27 EST 2008. Contains 151280 sequences.


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