A331812 Number of integer solutions to x^3 + y^3 = n.

2, 1, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 1, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 2, 0, 0, 0, 0, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0

Offset

1,1

Links

Table of n, a(n) for n=1..87.

Mathematica

a[n_]:=Length[Solve[x^3 + y^3 == n, {x, y}, Integers]]; Table[a[i], {i, 10000}]

Crossrefs

Cf. A003325, A045980, A175362.

Sequence in context: A113448 A123863 A244560 * A368821 A250002 A035195

Adjacent sequences: A331809 A331810 A331811 * A331813 A331814 A331815

Keyword

nonn

Author

Mason Korb, Jan 27 2020

Status

approved