Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".
Number of integer triples (x,y,z) satisfying |x|^3+|y|^3+|z|^3 <= n^2, -n <= x,y,z <= n. If the cubes on the left hand side are replaced by squares, A000605 results.
Table of n, a(n) for n=0..44.
Sequence in context: A215446 A098948 A015873 * A022271 A269449 A265900
Adjacent sequences: A175364 A175365 A175366 * A175368 A175369 A175370
R. J. Mathar, Apr 24 2010