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A008917
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Numbers that are the sum of 3 positive cubes in more than one way.
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3
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251, 1009, 1366, 1457, 1459, 1520, 1730, 1737, 1756, 1763, 1793, 1854, 1945, 2008, 2072, 2241, 2414, 2456, 2458, 2729, 2736, 3060, 3391, 3457, 3592, 3599, 3655, 3745, 3926, 4105, 4112, 4131, 4168, 4229, 4320, 4376, 4402, 4437, 4447
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Of course reordering the terms does not count.
A025456(a(n)) > 1. [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 23 2009]
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LINKS
| T. D. Noe, Table of n, a(n) for n=1..1000
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MATHEMATICA
| Select[Range[4450], 1 < Length @ Cases[PowersRepresentations[#, 3, 3], {_?Positive, _?Positive, _?Positive}] &] (* From Jean-François Alcover, Apr 04 2011 *)
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CROSSREFS
| Sequence in context: A052232 A179231 A108833 * A025396 A185941 A099734
Adjacent sequences: A008914 A008915 A008916 * A008918 A008919 A008920
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KEYWORD
| nonn,easy,nice
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com) and J. H. Conway (conway(AT)math.princeton.edu)
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