OFFSET
0,2
COMMENTS
Number of integer pairs (x,y) satisfying |x|^3+|y|^3 <= n, any -n <= x,y <=n. Cubic variant of A057655.
EXAMPLE
a(1) = 5 counts (x,y) = (-1,0), (0,-1), (0,0), (0,1) and (1,0).
CROSSREFS
KEYWORD
nonn
AUTHOR
R. J. Mathar, Apr 24 2010
STATUS
approved