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Number of solutions to n^2 = x^2 + 3*x*y + y^2 with 0 < x < y.
1

%I #5 Jun 28 2024 09:08:51

%S 0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,1,0,1,0,1,

%T 0,0,0,0,1,0,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,1,0,1,1,1,0,1,1,0,0,0,1,0,

%U 0,0,0,1,0,0,0,0,1,1,0,1,0,0,1,0,0,0,0,1,1,1,0,0,0,1,0,1,0,0,0,1,0

%N Number of solutions to n^2 = x^2 + 3*x*y + y^2 with 0 < x < y.

%F a(n) = A374093(n^2).

%Y Cf. A046080, A374099.

%Y Cf. A374093.

%K nonn

%O 0

%A _Seiichi Manyama_, Jun 28 2024