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Search: id:A067070
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| A067070 |
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Cubes for which the product of the digits is a cube > 0. |
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+0
1
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| 1, 8, 24389, 226981, 9393931, 11239424, 17373979, 36264691, 66923416, 94818816, 348913664, 435519512, 463684824, 549353259, 555412248, 743677416, 3929352552, 4982686912, 5526456832, 11329982936, 12374478297, 12681938368, 15142552424
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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Felice Russo, A set of new Smarandache Functions, Sequences and conjectures in number theory, American Research Press, Lupton USA.
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EXAMPLE
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24389 is in the sequence because (1) it is a cube, (2) the product of its digits is 2*4*3*8*9=1728 which is a cube >0.
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CROSSREFS
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Sequence in context: A079182 A079172 A067074 this_sequence A115478 A013788 A156178
Adjacent sequences: A067067 A067068 A067069 this_sequence A067071 A067072 A067073
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KEYWORD
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nonn,base
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jan 05 2002
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EXTENSIONS
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More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 23 2002
One further term from Luc Stevens (lms022(AT)yahoo.com), May 03 2006
Edited by R. J. Mathar, Aug 08 2008
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