login
1

%I #2 Mar 30 2012 17:40:19

%S 1,5,9,21,25,25,45,45,53,69,77,77,101,109,117,137,149,157,157,185,193,

%T 205,213,233,257,257,265,281,305,313,329,337,361,385,393,401,409,445,

%U 453,473,481,489,525,541,549,561,577,597,621,637,653,661,665,717,725

%N A175363(n^2).

%C 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.

%K nonn

%O 0,2

%A _R. J. Mathar_, Apr 24 2010