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A042433 Denominators of continued fraction convergents to sqrt(744). 2
1, 3, 4, 7, 11, 18, 29, 47, 76, 275, 14926, 45053, 59979, 105032, 165011, 270043, 435054, 705097, 1140151, 4125550, 223919851, 675885103, 899804954, 1575690057, 2475495011, 4051185068, 6526680079, 10577865147, 17104545226, 61891500825, 3359245589776 (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 (0,0,0,0,0,0,0,0,0,15002,0,0,0,0,0,0,0,0,0,-1).

FORMULA

G.f.: -(x^18 -3*x^17 +4*x^16 -7*x^15 +11*x^14 -18*x^13 +29*x^12 -47*x^11 +76*x^10 -275*x^9 -76*x^8 -47*x^7 -29*x^6 -18*x^5 -11*x^4 -7*x^3 -4*x^2 -3*x -1) / (x^20 -15002*x^10 +1). - Colin Barker, Dec 14 2013

MATHEMATICA

Denominator[Convergents[Sqrt[744], 30]] (* Vincenzo Librandi, Jan 22 2014 *)

CROSSREFS

Cf. A042432, A040716.

Sequence in context: A193686 A000204 A075193 * A024319 A041209 A293420

Adjacent sequences:  A042430 A042431 A042432 * A042434 A042435 A042436

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Colin Barker, Dec 14 2013

STATUS

approved

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Last modified October 17 05:23 EDT 2018. Contains 316275 sequences. (Running on oeis4.)