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A042751 Denominators of continued fraction convergents to sqrt(906). 2
1, 10, 601, 6020, 361801, 3624030, 217803601, 2181660040, 131117406001, 1313355720050, 78932460609001, 790637961810060, 47517210169212601, 475962739653936070, 28605281589405376801, 286528778633707704080, 17220331999611867621601 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

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

Index entries for linear recurrences with constant coefficients, signature (0,602,0,-1).

FORMULA

G.f.: -(x^2-10*x-1) / (x^4-602*x^2+1). - Colin Barker, Dec 22 2013

MATHEMATICA

Denominator[Convergents[Sqrt[906], 30]] (* Vincenzo Librandi, Jan 28 2014 *)

CROSSREFS

Cf. A042750, A040875.

Sequence in context: A273032 A185277 A006441 * A285372 A159622 A115692

Adjacent sequences:  A042748 A042749 A042750 * A042752 A042753 A042754

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 February 17 17:12 EST 2019. Contains 320222 sequences. (Running on oeis4.)