A042091 Denominators of continued fraction convergents to sqrt(569).

1, 1, 6, 7, 41, 376, 793, 1169, 3131, 10562, 34817, 80196, 115013, 310222, 2907011, 14845277, 17752288, 103606717, 121359005, 5686120947, 5807479952, 34723520707, 40531000659, 237378524002, 2176937716677, 4591253957356, 6768191674033, 18127637305422

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, 5789727664, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

Mathematica

Denominator[Convergents[Sqrt[569], 30]] (* Harvey P. Dale, Dec 08 2011 *)

Crossrefs

Cf. A042090.

Sequence in context: A301904 A152119 A041080 * A047181 A080879 A119108

Adjacent sequences: A042088 A042089 A042090 * A042092 A042093 A042094

Keyword

nonn,frac,easy

Author

N. J. A. Sloane.

Extensions

More terms from Vincenzo Librandi, Jan 14 2014

Status

approved