A042585 Denominators of continued fraction convergents to sqrt(821).

1, 1, 2, 3, 23, 26, 49, 516, 565, 7861, 16287, 40435, 97157, 137592, 234749, 372341, 607090, 1586521, 3780132, 9146785, 122688337, 131835122, 1441039557, 1572874679, 3013914236, 22670274331, 25684188567, 48354462898, 74038651465, 4194518944938, 4268557596403

Offset

0,3

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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4242873407836, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

Mathematica

Denominator[Convergents[Sqrt[821], 30]] (* Vincenzo Librandi, Jan 25 2014 *)

Crossrefs

Cf. A042584.

Sequence in context: A329916 A085946 A280894 * A143279 A272271 A068887

Adjacent sequences: A042582 A042583 A042584 * A042586 A042587 A042588

Keyword

nonn,frac,easy

Author

N. J. A. Sloane.

Extensions

More terms from Vincenzo Librandi, Jan 25 2014

Status

approved