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%I #13 Jan 01 2024 11:16:04
%S 1,5,26,31,212,455,1577,2032,3609,9250,12859,34968,47827,561065,
%T 1169957,1731022,2900979,51047665,53948644,104996309,263941262,
%U 3008350191,3272291453,9552933097,12825224550,35203382197,48028606747,83231988944,297724573579
%N Denominators of continued fraction convergents to sqrt(331).
%H Vincenzo Librandi, <a href="/A041625/b041625.txt">Table of n, a(n) for n = 0..200</a>
%H <a href="/index/Rec#order_68">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5571179602887940, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
%F a(n) = 5571179602887940*a(n-34) - a(n-68). - _Wesley Ivan Hurt_, Jan 01 2024
%t Denominator[Convergents[Sqrt[331], 30]] (* _Vincenzo Librandi_, Dec 22 2013 *)
%Y Cf. A041624.
%K nonn,frac,easy
%O 0,2
%A _N. J. A. Sloane_.
%E More terms from _Vincenzo Librandi_, Dec 22 2013
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