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Positive fundamental solution y(n) of the generalized Pell equation X^2 - D(n) Y(n) = 2 with D(n) = A261246(n).
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%I #5 Sep 08 2015 04:32:26

%S 1,1,1,1,7,1,23,1,1,7,1,151,1,47,1,193,1,3383,7,1,217,1,9041,17,1,7,

%T 161,1,23,20687,1,119,233,1,437071,617,1,7199,20783,7,17,137,1,593,1,

%U 497,731153,1839433,79,1,326471,7,2863

%N Positive fundamental solution y(n) of the generalized Pell equation X^2 - D(n) Y(n) = 2 with D(n) = A261246(n).

%C For the corresponding positive fundamental solution x(n) see A261247(n).

%C [x(n), y(n)] gives the positive proper fundamental solution for D(n) = A261246(n), for n >= 1.

%C See the comments on A261246 for this generalized Pell equation.

%e See A261246.

%Y Cf. A261246, A261247.

%K nonn

%O 1,5

%A _Wolfdieter Lang_, Sep 06 2015