A173680 Number of ways of writing n as a sum of 6 nonnegative cubes.

1, 6, 15, 20, 15, 6, 1, 0, 6, 30, 60, 60, 30, 6, 0, 0, 15, 60, 90, 60, 15, 0, 0, 0, 20, 60, 60, 26, 30, 60, 60, 30, 21, 30, 15, 30, 120, 180, 120, 30, 6, 6, 0, 60, 180, 180, 60, 0, 1, 0, 0, 60, 120, 60, 15, 60, 90, 60, 15, 30, 30, 0, 60, 180, 186, 90, 60, 66, 30, 6, 90, 180, 120, 120, 180, 120, 30, 0, 60, 60, 60, 200, 240, 120, 20, 0, 15, 0, 60, 180, 180

Offset: 0

Author

N. J. A. Sloane, Nov 25 2010

Keywords

• nonn

Comments

Order matters. This is the coefficient of q^n in the expansion of {Sum_{m>=0} q^(m^3)}^6.

Links

• Seiichi Manyama, Table of n, a(n) for n = 0..10000

Crossrefs

Cf. A173677.

Sums of k cubes, number of ways of writing n as, for k=1..9: A010057, A173677, A051343, A173678, A173679, A173680, A173676, A173681, A173682.