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A028960 Numbers represented by quadratic form with Gram matrix [ 3, 1; 1, 8 ]. 1

%I

%S 0,3,8,9,12,13,16,24,27,29,31,32,36,39,41,47,48,52,64,69,71,72,73,75,

%T 81,87,93,96,104,108,116,117,123,124,127,128,131,139,141,144,147,151,

%U 156,163,164,169,177,179,184,188,192,193,197,200

%N Numbers represented by quadratic form with Gram matrix [ 3, 1; 1, 8 ].

%C Nonnegative integers of the form 3*x^2 + 2*x*y + 8*y^2, discriminant -92.

%H N. J. A. Sloane et al., <a href="https://oeis.org/wiki/Binary_Quadratic_Forms_and_OEIS">Binary Quadratic Forms and OEIS</a> (Index to related sequences, programs, references)

%K nonn

%O 1,2

%A _N. J. A. Sloane_.

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Last modified October 27 00:02 EDT 2021. Contains 348270 sequences. (Running on oeis4.)