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A041957 Denominators of continued fraction convergents to sqrt(501). 2

%I

%S 1,2,3,5,8,13,47,389,436,1261,13046,14307,84581,183469,2653147,

%T 5489763,30101962,35591725,386019212,807630149,1193649361,10356825037,

%U 32264124472,42620949509,74885073981,117506023490,192391097471,502288218432,22293072708479

%N Denominators of continued fraction convergents to sqrt(501).

%H Vincenzo Librandi, <a href="/A041957/b041957.txt">Table of n, a(n) for n = 0..200</a>

%H <a href="/index/Rec#order_56">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, 22485463805950, 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) = 22485463805950*a(n-28) - a(n-56) for n>55. - _Vincenzo Librandi_, Dec 27 2013

%t Denominator[Convergents[Sqrt[501], 30]] (* _Harvey P. Dale_, Oct 16 2013 *)

%Y Cf. A041956.

%K nonn,frac,easy

%O 0,2

%A _N. J. A. Sloane_.

%E More terms from _Vincenzo Librandi_, Dec 27 2013

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Last modified January 17 06:12 EST 2022. Contains 350378 sequences. (Running on oeis4.)