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A047703
Numbers that are the sum of 4 but no fewer positive cubes.
4
4, 11, 18, 25, 30, 32, 37, 44, 51, 56, 63, 67, 70, 74, 82, 88, 89, 93, 100, 107, 108, 119, 130, 135, 137, 142, 144, 145, 149, 154, 156, 161, 163, 168, 180, 182, 187, 191, 193, 198, 200, 205, 206, 219, 226, 233, 240, 245, 252, 254, 256, 259, 261, 266, 271, 278
OFFSET
1,1
MATHEMATICA
Select[Range[300], (pr = PowersRepresentations[#, 4, 3]; pr != {} && Count[pr, r_/; (Times @@ r) == 0] == 0)&] (* Jean-François Alcover, Jul 26 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Arlin Anderson (starship1(AT)gmail.com)
STATUS
approved