A047704 Numbers that are the sum of 5 but no fewer positive cubes.

5, 12, 19, 26, 31, 33, 38, 40, 45, 52, 57, 59, 68, 71, 75, 78, 83, 90, 94, 96, 97, 101, 109, 115, 116, 120, 131, 138, 143, 146, 150, 157, 162, 164, 169, 171, 172, 176, 181, 183, 188, 194, 195, 199, 201, 207, 208, 209, 213, 214, 220, 227, 234, 241, 246, 248

Offset: 1

Author

Arlin Anderson (starship1(AT)gmail.com)

Keywords

• nonn

Comments

This sequence is conjectured to have a finite number of terms. - T. D. Noe, Dec 13 2006

Links

• T. D. Noe, Table of n, a(n) for n=1..1000

Crossrefs

Cf. A003328, A002376.

Programs

Mathematica

Select[Range[300], (pr = PowersRepresentations[#, 5, 3]; pr != {} && Count[pr, r_/; (Times @@ r) == 0] == 0)&] (* Jean-François Alcover, Jul 26 2011 *)