login
Minimal determinant of any n-dimensional norm 2 lattice.
(Formerly M0445)
1

%I M0445 #12 Oct 26 2023 22:36:30

%S 1,2,3,4,4,4,3,2,1,2,3,2,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,

%T 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,

%U 1,1,1

%N Minimal determinant of any n-dimensional norm 2 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

%O 0,2

%A _N. J. A. Sloane_