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A173680 Number of ways of writing n as a sum of 6 nonnegative cubes. 12
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 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
Order matters. This is the coefficient of q^n in the expansion of {Sum_{m>=0} q^(m^3)}^6.
LINKS
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.
Sequence in context: A001484 A217480 A335417 * A230209 A277951 A176849
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 25 2010
STATUS
approved

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)