OFFSET
0,2
COMMENTS
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.
CROSSREFS
KEYWORD
nonn
AUTHOR
R. J. Mathar, Apr 24 2010
STATUS
approved