[seqfan] definition of A074074

Max Alekseyev maxale at gmail.com
Sat Sep 19 04:32:26 CEST 2009


I have trouble understanding the definition of A074074:

%N A074074 Numbers n such that x^2 - n*y^2 = 1, with n = N^2 - M^2, {N
= 2k+1, M = 2m; k>=m}, has least fundamental solution (x, y).

Does this definition make sense to anybody?


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