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A041999 Denominators of continued fraction convergents to sqrt(522). 2
1, 1, 6, 7, 13, 59, 72, 131, 727, 858, 38479, 39337, 235164, 274501, 509665, 2313161, 2822826, 5135987, 28502761, 33638748, 1508607673, 1542246421, 9219839778, 10762086199, 19981925977, 90689790107, 110671716084, 201361506191, 1117479247039, 1318840753230 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,0,0,39206,0,0,0,0,0,0,0,0,0,-1).

FORMULA

G.f.: -(x^18 -x^17 +6*x^16 -7*x^15 +13*x^14 -59*x^13 +72*x^12 -131*x^11 +727*x^10 -858*x^9 -727*x^8 -131*x^7 -72*x^6 -59*x^5 -13*x^4 -7*x^3 -6*x^2 -x -1) / ((x^10 -198*x^5 -1)*(x^10 +198*x^5 -1)). - Colin Barker, Nov 28 2013

MATHEMATICA

Denominator[Convergents[Sqrt[522], 40]] (* Vincenzo Librandi, Jan 12 2014 *)

CROSSREFS

Cf. A041998, A040499.

Sequence in context: A042025 A041072 A154741 * A041319 A042315 A288667

Adjacent sequences:  A041996 A041997 A041998 * A042000 A042001 A042002

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Colin Barker, Nov 28 2013

STATUS

approved

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Last modified March 26 06:55 EDT 2019. Contains 321481 sequences. (Running on oeis4.)