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A175364
A175363(n^2).
1
1, 5, 9, 21, 25, 25, 45, 45, 53, 69, 77, 77, 101, 109, 117, 137, 149, 157, 157, 185, 193, 205, 213, 233, 257, 257, 265, 281, 305, 313, 329, 337, 361, 385, 393, 401, 409, 445, 453, 473, 481, 489, 525, 541, 549, 561, 577, 597, 621, 637, 653, 661, 665, 717, 725
OFFSET
0,2
COMMENTS
Number of integer pairs (x,y) satisfying |x|^3+|y|^3 <= n^2, any -n <= x,y <=n. A variant of A000328 where the norm is substituted by sums-of-cubes of Cartesian coordinates in the square lattice.
CROSSREFS
Sequence in context: A273449 A297362 A376288 * A244642 A211424 A211428
KEYWORD
nonn
AUTHOR
R. J. Mathar, Apr 24 2010
STATUS
approved