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A051343 Number of ways of writing n as a sum of 3 nonnegative cubes (counted naively). 14
1, 3, 3, 1, 0, 0, 0, 0, 3, 6, 3, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 1, 0, 0, 3, 6, 3, 0, 0, 0, 0, 0, 6, 6, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 3, 0, 3, 6, 3, 0, 0, 0, 0, 0, 6, 6, 0, 0, 0, 0, 0, 0, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 6 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 0..10000

MAPLE

series(add(x^(n^3), n=0..10)^3, x, 1000);

PROG

(PARI) first(n)=my(s=vector(n+1)); for(k=0, sqrtnint(n, 3), s[k^3+1]=1); Vec(Ser(s, , n+1)^3) \\ Charles R Greathouse IV, Sep 16 2016

CROSSREFS

Cf. A051344.

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: A096964 A123254 A119969 * A261477 A205826 A131193

Adjacent sequences:  A051340 A051341 A051342 * A051344 A051345 A051346

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 22 12:42 EST 2020. Contains 332136 sequences. (Running on oeis4.)