%I M3442 #13 Oct 26 2023 22:40:36
%S 1,4,12,32,64,128,192,256,256
%N Minimal determinant of n-dimensional norm 4 lattice.
%D J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 180.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%K nonn,more,hard
%O 0,2
%A _N. J. A. Sloane_