|
|
A001245
|
|
Numbers that are the sum of 4 cubes in more than 1 way.
|
|
2
|
|
|
81, 126, 128, 216, 217, 219, 224, 243, 251, 252, 259, 278, 280, 315, 341, 343, 344, 345, 352, 371, 376, 378, 405, 408, 432, 434, 467, 469, 496, 522, 540, 559, 560, 567, 584, 593, 594, 648, 687, 702, 728, 729, 730, 737, 756, 758, 763, 765, 783, 793, 802
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
REFERENCES
|
G. H. Hardy, Ramanujan, Cambridge Univ. Press, 1940, p. 12.
D. Wells, The Penguin Dictionary of Curious and Interesting Numbers. Penguin Books, NY, 1986, 165.
|
|
LINKS
|
|
|
MATHEMATICA
|
Transpose[Select[Table[{i, PowersRepresentations[i, 4, 3]}, {i, 2000}], Length[#[[2]]]>1&]][[1]] (* Harvey P. Dale, Dec 11 2010 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|