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A041984 Numerators of continued fraction convergents to sqrt(515). 2
22, 23, 68, 227, 295, 1112, 1407, 5333, 12073, 17406, 777937, 795343, 2368623, 7901212, 10269835, 38710717, 48980552, 185652373, 420285298, 605937671, 27081542822, 27687480493, 82456503808, 275056991917, 357513495725, 1347597479092, 1705110974817 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 34812, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

FORMULA

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

MATHEMATICA

Numerator[Convergents[Sqrt[515], 30]] (* Vincenzo Librandi, Nov 13 2013 *)

CROSSREFS

Cf. A041985, A040492.

Sequence in context: A041968 A041986 A041988 * A041982 A252912 A041992

Adjacent sequences:  A041981 A041982 A041983 * A041985 A041986 A041987

KEYWORD

nonn,cofr,frac,easy,less

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Colin Barker, Nov 28 2013

STATUS

approved

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Last modified July 29 17:41 EDT 2021. Contains 346346 sequences. (Running on oeis4.)