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A025399
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Numbers that are the sum of 3 distinct positive cubes in exactly 1 way.
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5
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36, 73, 92, 99, 134, 153, 160, 190, 197, 216, 225, 244, 251, 281, 288, 307, 342, 349, 352, 368, 371, 378, 405, 408, 415, 434, 469, 476, 495, 521, 532, 540, 547, 560, 567, 577, 584, 586, 603, 623, 638, 645, 664, 684, 701, 729, 736, 738, 755, 757, 764, 792, 794, 801, 820
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OFFSET
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1,1
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LINKS
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FORMULA
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MATHEMATICA
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Reap[For[n = 1, n <= 1000, n++, pr = Select[ PowersRepresentations[n, 3, 3], Times @@ # != 0 && Length[#] == Length[Union[#]] &]; If[pr != {} && Length[pr] == 1, Print[n, pr]; Sow[n]]]][[2, 1]] (* Jean-François Alcover, Jul 31 2013 *)
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CROSSREFS
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Cf. A025395 (not necessarily distinct)
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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