A041973 Denominators of continued fraction convergents to sqrt(509).

1, 1, 2, 7, 9, 16, 41, 426, 467, 4162, 33763, 37925, 413013, 863951, 1276964, 2140915, 7699709, 9840624, 17540333, 781615276, 799155609, 1580770885, 5541468264, 7122239149, 12663707413, 32449653975, 337160247163, 369609901138, 3294039456267, 26721925551274

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, 791455900, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

Mathematica

Denominator[Convergents[Sqrt[509], 30]] (* Vincenzo Librandi, Dec 28 2013 *)

Crossrefs

Cf. A041972.

Sequence in context: A041643 A041395 A042345 * A042807 A005988 A199537

Adjacent sequences: A041970 A041971 A041972 * A041974 A041975 A041976

Keyword

nonn,frac,easy

Author

N. J. A. Sloane.

Extensions

More terms from Vincenzo Librandi, Dec 28 2013

Status

approved