A219329 Numbers that can be expressed as the sum of three nonnegative cubes in three ways.

5104, 5832, 9288, 9729, 10261, 10773, 12104, 12221, 12384, 14175, 17604, 17928, 19034, 20691, 21412, 21888, 24416, 24480, 28792, 29457, 30528, 31221, 32850, 34497, 35216, 36288, 38259, 39339, 39376, 39528, 40060, 40097, 40832, 40851, 41033, 41040, 41364

Offset

1,1

Comments

Index of A051343 = 9, superset of index of A025456 = 3.

Subset of A001239.

Links

Christian N. K. Anderson, Table of n, a(n) for n = 1..10000

Christian N. K. Anderson, Decomposition of the first 10000 terms into 3 sets of cube triples

Sequences related to sums of squares and cubes

Example

a(1) = 5104 = 1^3+12^3+15^3 = 2^3+10^3+16^3 = 9^3+10^3+15^3.

Mathematica

Select[Range[42000], Length[PowersRepresentations[#, 3, 3]]==3&] (* Harvey P. Dale, Sep 28 2016 *)

Crossrefs

Other sums of cubes: A025402, A025398, A024974, A001239, A008917.

Cf. A025456, A051343.

Cf. A025396.

Sequence in context: A224492 A330730 A343081 * A025398 A025397 A025402

Adjacent sequences: A219326 A219327 A219328 * A219330 A219331 A219332

Keyword

nonn

Author

Kevin L. Schwartz and Christian N. K. Anderson, Apr 11 2013

Status

approved