login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A042631 Denominators of continued fraction convergents to sqrt(845). 2
1, 14, 15, 29, 421, 24447, 342679, 367126, 709805, 10304396, 598364773, 8387411218, 8985775991, 17373187209, 252210396917, 14645576208395, 205290277314447, 219935853522842, 425226130837289, 6173101685244888, 358465123875040793, 5024684835935815990 (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 (0,0,0,0,24476,0,0,0,0,1).

FORMULA

G.f.: -(x^8-14*x^7+15*x^6-29*x^5+421*x^4+29*x^3+15*x^2+14*x+1) / (x^10+24476*x^5-1). - Colin Barker, Dec 20 2013

MATHEMATICA

Denominator[Convergents[Sqrt[845], 30]] (* Vincenzo Librandi, Jan 26 2014 *)

CROSSREFS

Cf. A042630, A040815.

Sequence in context: A041396 A041394 A041392 * A344977 A216679 A216680

Adjacent sequences:  A042628 A042629 A042630 * A042632 A042633 A042634

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Colin Barker, Dec 20 2013

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 23 10:15 EDT 2021. Contains 347612 sequences. (Running on oeis4.)