%I #2 Mar 30 2012 17:40:19
%S 1,9,89,617,2137,4897,10625,19777,34625,55217,84441,123385,174329,
%T 243145,325929,429329,557169,708961,894625,1110209,1363561,1656505,
%U 1994281
%N a(n) = A175369(n^3).
%C Number of integer 4-tuples (x,y,z,u) satisfying |x|^3+|y|^3+|z|^3+|u|^3 <= n^3, -n <= x,y,z,u <= n.
%C An associated sequence with the number of 4-tuples satisfying x^2+y^2+z^2+u^2 <= n^3 starts 1, 9, 321, 3777, 20185, 77313, 230897,...
%K nonn
%O 0,2
%A _R. J. Mathar_, Apr 24 2010