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A042717 Denominators of continued fraction convergents to sqrt(888). 2
1, 1, 4, 5, 294, 299, 1191, 1490, 87611, 89101, 354914, 444015, 26107784, 26551799, 105763181, 132314980, 7780032021, 7912347001, 31517073024, 39429420025, 2318423434474, 2357852854499, 9391981997971, 11749834852470, 690882403441231, 702632238293701 (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, 298, 0, 0, 0, -1).

FORMULA

G.f.: -(x^2-x-1)*(x^4+5*x^2+1) / (x^8-298*x^4+1). - Colin Barker, Dec 22 2013

MATHEMATICA

Denominator[Convergents[Sqrt[888], 30]] (* Vincenzo Librandi, Jan 27 2014 *)

CROSSREFS

Cf. A042716, A040858.

Sequence in context: A298224 A051152 A042181 * A304286 A134463 A298938

Adjacent sequences:  A042714 A042715 A042716 * A042718 A042719 A042720

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 March 18 12:10 EDT 2019. Contains 321283 sequences. (Running on oeis4.)