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%I #14 Jun 03 2022 15:40:11
%S 0,1,4,9,13,16,24,25,33,36,37,49,52,61,64,69,73,81,88,96,97,100,109,
%T 117,121,132,141,144,148,157,169,177,181,184,193,196,208,213,216,225,
%U 229,241,244,249,253,256,276,277,289,292,297,312,313,321,324,325,333,337,349,352,361,373,376,384,388,393,397,400,409,421,429,433,436,441,457,468,472
%N Nonnegative integers of the form x^2 + 6xy - 3y^2.
%C Discriminant 48.
%C Also nonnegative integers of the form 4x^2 - 3y^2. - _Jon E. Schoenfield_, Jun 03 2022
%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)
%Y Primes in this sequence = A068228. Cf. A085018, A244291.
%K nonn
%O 1,3
%A _N. J. A. Sloane_, Jun 01 2014
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