A041933 Denominators of continued fraction convergents to sqrt(489).

1, 8, 9, 44, 53, 97, 150, 547, 1244, 1791, 4826, 69355, 143536, 212891, 569318, 1920845, 2490163, 4411008, 6901171, 32015692, 38916863, 343350596, 15146343087, 121514095292, 136660438379, 668155848808, 804816287187, 1472972135995, 2277788423182, 8306337405541

Offset

0,2

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, 15185259950, 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[489], 30]] (* Vincenzo Librandi, Dec 27 2013 *)

Crossrefs

Cf. A041932.

Sequence in context: A298665 A284822 A222354 * A041138 A048068 A037957

Adjacent sequences: A041930 A041931 A041932 * A041934 A041935 A041936

Keyword

nonn,frac,easy

Author

N. J. A. Sloane.

Extensions

More terms from Vincenzo Librandi, Dec 27 2013

Status

approved