A042630 Numerators of continued fraction convergents to sqrt(845).

29, 407, 436, 843, 12238, 710647, 9961296, 10671943, 20633239, 299537289, 17393796001, 243812681303, 261206477304, 505019158607, 7331474697802, 425730551631123, 5967559197533524, 6393289749164647, 12360848946698171, 179445175002939041

Offset

0,1

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^9-29*x^8+407*x^7-436*x^6+843*x^5+12238*x^4+843*x^3+436*x^2+407*x+29) / (x^10+24476*x^5-1). - Colin Barker, Dec 20 2013

Mathematica

Numerator[Convergents[Sqrt[845], 20]] (* Harvey P. Dale, Aug 08 2013 *)

Crossrefs

Cf. A042631, A040815.

Sequence in context: A210260 A010945 A022624 * A174885 A264160 A210302

Adjacent sequences: A042627 A042628 A042629 * A042631 A042632 A042633

Keyword

nonn,frac,easy

Author

N. J. A. Sloane.

Extensions

More terms from Colin Barker, Dec 20 2013

Status

approved