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A042737 Denominators of continued fraction convergents to sqrt(898). 2
1, 1, 29, 30, 1769, 1799, 52141, 53940, 3180661, 3234601, 93749489, 96984090, 5718826709, 5815810799, 168561529081, 174377339880, 10282447242121, 10456824582001, 303073535538149, 313530360120150, 18487834422506849, 18801364782626999 (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 (0,0,0,1798,0,0,0,-1).

FORMULA

G.f.: -(x^2-x-1)*(x^4+30*x^2+1) / (x^8-1798*x^4+1). - Colin Barker, Dec 22 2013

MATHEMATICA

Denominator[Convergents[Sqrt[898], 30]] (* Vincenzo Librandi, Jan 28 2014 *)

CROSSREFS

Cf. A042736, A040868.

Sequence in context: A042734 A041419 A042736 * A042738 A157498 A031062

Adjacent sequences:  A042734 A042735 A042736 * A042738 A042739 A042740

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Colin Barker, Dec 22 2013

STATUS

approved

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Last modified November 14 07:19 EST 2019. Contains 329111 sequences. (Running on oeis4.)