A041889 Denominators of continued fraction convergents to sqrt(466).

1, 1, 2, 5, 12, 17, 46, 247, 293, 1126, 1419, 29506, 30925, 122281, 153206, 888311, 1929828, 2818139, 7566106, 17950351, 25516457, 43466808, 1851122393, 1894589201, 3745711594, 9386012389, 22517736372, 31903748761, 86325233894, 463529918231

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, 1876638850, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

Formula

a(n) = 1876638850*a(n-22) - a(n-44) for n>43. - Vincenzo Librandi, Dec 26 2013

Mathematica

Denominator[Convergents[Sqrt[466], 30]] (* Vincenzo Librandi, Dec 26 2013 *)

Crossrefs

Cf. A041888.

Sequence in context: A042143 A042467 A024465 * A055906 A002355 A085395

Adjacent sequences: A041886 A041887 A041888 * A041890 A041891 A041892

Keyword

nonn,frac,easy

Author

N. J. A. Sloane.

Extensions

More terms from Vincenzo Librandi, Dec 26 2013

Status

approved