A042281 Denominators of continued fraction convergents to sqrt(666).

1, 1, 5, 26, 31, 57, 373, 430, 2093, 2523, 17231, 19754, 36985, 204679, 855701, 1060380, 53874701, 54935081, 273615025, 1423010206, 1696625231, 3119635437, 20414437853, 23534073290, 114550731013, 138084804303, 943059556831, 1081144361134, 2024203917965

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• frac
• easy

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, 54730402, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

Crossrefs

Cf. A042280.

Programs

Mathematica

Denominator[Convergents[Sqrt[666], 30]] (* Vincenzo Librandi, Jan 19 2014 *)

Extensions

More terms from Vincenzo Librandi, Jan 19 2014