A041730 Numerators of continued fraction convergents to sqrt(385).

19, 20, 39, 59, 98, 157, 569, 726, 2021, 2747, 10262, 13009, 23271, 36280, 59551, 95831, 3701129, 3796960, 7498089, 11295049, 18793138, 30088187, 109057699, 139145886, 387349471, 526495357, 1966835542

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, 191662, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

Formula

a(n) = 191662*a(n-16) - a(n-32) for n>31. [Bruno Berselli, Nov 07 2013]

Mathematica

Numerator[Convergents[Sqrt[385], 30]] (* Vincenzo Librandi, Nov 07 2013 *)

Crossrefs

Cf. A041731.

Sequence in context: A054304 A151979 A022109 * A041732 A041728 A041726

Adjacent sequences: A041727 A041728 A041729 * A041731 A041732 A041733

Keyword

nonn,cofr,frac,easy

Author

N. J. A. Sloane.

Status

approved