A042547 Denominators of continued fraction convergents to sqrt(802).

1, 3, 22, 25, 97, 607, 17093, 103165, 326588, 429753, 3334859, 10434330, 587657339, 1773406347, 13001501768, 14774908115, 57326226113, 358732264793, 10101829640317, 60969710106695, 193010959960402, 253980670067097, 1970875650430081, 6166607621357340

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, 590992198, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

Formula

a(n) = 590992198*a(n-12) - a(n-24) for n>23. - Vincenzo Librandi, Jan 24 2014

Mathematica

Denominator[Convergents[Sqrt[802], 30]] (* Vincenzo Librandi, Jan 24 2014 *)

Crossrefs

Cf. A040773, A042546.

Sequence in context: A360366 A072398 A134924 * A269799 A079039 A209987

Adjacent sequences: A042544 A042545 A042546 * A042548 A042549 A042550

Keyword

nonn,frac,easy

Author

N. J. A. Sloane.

Extensions

More terms from Vincenzo Librandi, Jan 24 2014

Status

approved