A028971 - OEIS

A028971

Theta series of quadratic form with Gram matrix [ 3, 1, 1; 1, 3, 1; 1, 1, 3 ].

%I #4 Mar 30 2012 16:47:10

%S 1,0,0,6,6,0,0,6,6,0,0,12,12,0,0,2,18,0,0,24,0,0,0,6,12,0,0,24,24,0,0,

%T 12,18,0,0,6,18,0,0,12,6,0,0,42,24,0,0,6,24,0,0,36,24,0,0,0,12,0,0,24,

%U 8,0,0,18,42,0,0,54,12,0,0,12,30,0,0,6,48,0,0,24,0,0,0,30,24,0

%N Theta series of quadratic form with Gram matrix [ 3, 1, 1; 1, 3, 1; 1, 1, 3 ].

%K nonn

%O 0,4

%A _N. J. A. Sloane_.