Well, wikipedia writes The only remaining unsolved cases up to 1,000 are 114, 390, 579, 627, 633, 732, 921 and 975. [0] https://en.wikipedia.org/wiki/Sums_of_t

Well, wikipedia writes The only remaining unsolved cases up to 1,000 are 114, 390, 579, 627, 633, 732, 921 and 975. [0] https://en.wikipedia.org/wiki/Sums_of_three_cubes https://en.wikipedia.org/wiki/Sums_of_three_cubes