A042318 Numerators of continued fraction convergents to sqrt(686).

26, 131, 550, 681, 1231, 4374, 9979, 104164, 2718243, 27286594, 57291431, 199160887, 256452318, 455613205, 2078905138, 10850138895, 566286127678, 2842280777285, 11935409236818, 14777690014103

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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 21700277790, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

Mathematica

Numerator[Convergents[Sqrt[686], 30]] (* Vincenzo Librandi, Nov 21 2013 *)

Crossrefs

Cf. A042319.

Sequence in context: A166831 A287992 A042316 * A264287 A166801 A255019

Adjacent sequences: A042315 A042316 A042317 * A042319 A042320 A042321

Keyword

nonn,cofr,frac,easy

Author

N. J. A. Sloane.

Status

approved