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A041990 Numerators of continued fraction convergents to sqrt(518). 2
22, 23, 91, 569, 1798, 2367, 105946, 108313, 430885, 2693623, 8511754, 11205377, 501548342, 512753719, 2039809499, 12751610713, 40294641638, 53046252351, 2374329745082, 2427375997433, 9656457737381, 60366122421719, 190754825002538, 251120947424257 (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, 4734, 0, 0, 0, 0, 0, -1).

FORMULA

G.f.: -(x^11-22*x^10+23*x^9-91*x^8+569*x^7-1798*x^6-2367*x^5-1798*x^4-569*x^3-91*x^2-23*x-22) / (x^12-4734*x^6+1). - Colin Barker, Nov 28 2013

MATHEMATICA

Numerator[Convergents[Sqrt[518], 30]] (* Vincenzo Librandi, Nov 13 2013 *)

CROSSREFS

Cf. A041991, A040495.

Sequence in context: A041982 A252912 A041992 * A041996 A041994 A041998

Adjacent sequences:  A041987 A041988 A041989 * A041991 A041992 A041993

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 June 22 00:39 EDT 2021. Contains 345367 sequences. (Running on oeis4.)