A042277 Denominators of continued fraction convergents to sqrt(664).

1, 1, 4, 13, 69, 151, 371, 522, 893, 2308, 3201, 18313, 21514, 61341, 82855, 144196, 371247, 886690, 4804697, 15300781, 50707040, 66007821, 3351098090, 3417105911, 13602415823, 44224353380, 234724182723, 513672718826, 1262069620375, 1775742339201

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, 3401805130, 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[664], 30]] (* Vincenzo Librandi, Jan 19 2014 *)

Crossrefs

Cf. A042276.

Sequence in context: A096805 A009221 A009239 * A125617 A197969 A374825

Adjacent sequences: A042274 A042275 A042276 * A042278 A042279 A042280

Keyword

nonn,frac,easy

Author

N. J. A. Sloane.

Extensions

More terms from Vincenzo Librandi, Jan 19 2014

Status

approved