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A041984 Numerators of continued fraction convergents to sqrt(515). 2

%I

%S 22,23,68,227,295,1112,1407,5333,12073,17406,777937,795343,2368623,

%T 7901212,10269835,38710717,48980552,185652373,420285298,605937671,

%U 27081542822,27687480493,82456503808,275056991917,357513495725,1347597479092,1705110974817

%N Numerators of continued fraction convergents to sqrt(515).

%H Vincenzo Librandi, <a href="/A041984/b041984.txt">Table of n, a(n) for n = 0..200</a>

%H <a href="/index/Rec#order_20">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 34812, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

%F G.f.: -(x^19 -22*x^18 +23*x^17 -68*x^16 +227*x^15 -295*x^14 +1112*x^13 -1407*x^12 +5333*x^11 -12073*x^10 -17406*x^9 -12073*x^8 -5333*x^7 -1407*x^6 -1112*x^5 -295*x^4 -227*x^3 -68*x^2 -23*x -22) / (x^20 -34812*x^10 +1). - _Colin Barker_, Nov 28 2013

%t Numerator[Convergents[Sqrt[515], 30]] (* _Vincenzo Librandi_, Nov 13 2013 *)

%Y Cf. A041985, A040492.

%K nonn,cofr,frac,easy,less

%O 0,1

%A _N. J. A. Sloane_.

%E More terms from _Colin Barker_, Nov 28 2013

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Last modified September 22 08:23 EDT 2021. Contains 347605 sequences. (Running on oeis4.)