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A175363

Partial sums of A175362.

1, 5, 9, 9, 9, 9, 9, 9, 13, 21, 21, 21, 21, 21, 21, 21, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 29, 37, 37, 37, 37, 37, 37, 37, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 53, 61, 61, 61, 61, 61, 61, 61

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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.

LINKS

Table of n, a(n) for n=0..71.

EXAMPLE

a(1) = 5 counts (x,y) = (-1,0), (0,-1), (0,0), (0,1) and (1,0).

CROSSREFS

Sequence in context: A180014 A105643 A175373 * A073168 A315121 A127500

Adjacent sequences: A175360 A175361 A175362 * A175364 A175365 A175366

KEYWORD

nonn

AUTHOR

R. J. Mathar, Apr 24 2010

STATUS

approved