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A079647 Integer part of the cube root of n and integer part of the square root of n both divide n. +0
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1, 2, 3, 4, 6, 8, 12, 16, 24, 30, 36, 63, 64, 120, 195, 210, 288, 306, 324, 399, 420, 441, 528, 552, 576, 729, 2600, 2652, 2704, 3024, 3080, 3136, 3480, 3540, 3600, 4096, 11880, 11990, 12100, 12995, 13110, 13225, 14160, 14280, 14400, 15625, 38808 (list; graph; listen)
OFFSET

1,2

FORMULA

43680^(1/2) = 208.997... 43680^(1/3)=35.21.... 43680/208=210 and 43680/35=1248 hence 43680 is in the sequence.

CROSSREFS

Cf. A006446.

Sequence in context: A125895 A064428 A052810 this_sequence A029744 A164090 A018635

Adjacent sequences: A079644 A079645 A079646 this_sequence A079648 A079649 A079650

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Jan 31 2003

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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