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%I #11 Sep 08 2022 08:45:51
%S 1,24335,1184384449,57643991108495,2805533046066067201,
%T 136545293294391499564175,6645659421832501237722330049,
%U 323444243924042541945554303920655
%N x-values in the solution to x^2-46*y^2=1.
%C The corresponding values of y of this Pell equation are in A174851.
%H Vincenzo Librandi, <a href="/A174754/b174754.txt">Table of n, a(n) for n = 1..200</a>
%H <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (48670,-1).
%F a(n) = 48670*a(n-1)-a(n-2) with a(1)=1, a(2)=24335.
%F G.f.: x*(1-24335*x)/(1-48670*x+x^2).
%t LinearRecurrence[{48670,-1},{1,24335},30]
%o (Magma)I:=[1, 24335]; [n le 2 select I[n] else 48670*Self(n-1)-Self(n-2): n in [1..20]];
%Y Cf. A174851.
%K nonn,easy
%O 1,2
%A _Vincenzo Librandi_, Apr 13 2010