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Numbers represented by quadratic form with Gram matrix [ 3, 1, 0; 1, 3, 1; 0, 1, 3 ].
0

%I #5 Mar 30 2012 16:47:10

%S 0,3,4,5,6,8,9,10,11,12,13,15,16,18,19,20,21,23,24,25,26,27,29,30,31,

%T 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,50,51,52,54,55,57,

%U 58,59,60,61,62,64,65,66,67,68,69,70,71,72,73,74,75,76,78,79

%N Numbers represented by quadratic form with Gram matrix [ 3, 1, 0; 1, 3, 1; 0, 1, 3 ].

%K nonn

%O 1,2

%A _N. J. A. Sloane_.