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Search: id:A032378
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| A032378 |
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Noncubes such that n is divisible by floor(n^(1/3)). |
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5
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| 2, 3, 4, 5, 6, 7, 10, 12, 14, 16, 18, 20, 22, 24, 26, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, 108, 112, 116, 120, 124, 130, 135, 140, 145, 150, 155, 160, 165, 170, 175, 180, 185, 190, 195, 200, 205, 210, 215, 222, 228, 234, 240
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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R. L. Graham, D. E. Knuth and O. Patashnik, Concrete Mathematics. Addison-Wesley, Reading, MA, 1990 [which page?].
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MAPLE
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t1:=[]; for n from 1 to 500 do t2:=floor(n^(1/3)); if n mod t2 = 0 and t2^3 <> n then t1:=[op(t1), n]; fi; od:
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CROSSREFS
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Cf. A066353, A079645, A112873.
Sequence in context: A082400 A072993 A018444 this_sequence A164947 A112881 A008814
Adjacent sequences: A032375 A032376 A032377 this_sequence A032379 A032380 A032381
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Dec 22 2001, corrected Oct 29 2006
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