|
%I #8 Jul 14 2019 11:54:58
%S 0,1,4,9,12,16,21,25,27,28,33,36,37,44,48,49,63,64,67,77,81,84,99,100,
%T 107,108,112,121,123,132,137,139,141,144,147,148,151,159,164,169,176,
%U 188,189,192,196,212,213,219,225,231,233,243,249,252,256,268,269,284
%N Nonnegative integers of the form x^2+12*x*y-y^2.
%C Discriminant of indefinite binary quadratic form: 148.
%H Will Jagy, <a href="/A243655/a243655.txt">C++ program Conway_Positive_All.cc to find all positive numbers represented by an indefinite binary quadratic form</a>
%H Peter Luschny, <a href="https://oeis.org/wiki/User:Peter_Luschny/BinaryQuadraticForms#Implementation">Binary Quadratic Forms</a>
%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)
%o (C++) See Jagy link.
%Y Primes in this sequence: A141163.
%K nonn
%O 1,3
%A _Hugo Pfoertner_, Jul 14 2019
|
