A042185 Denominators of continued fraction convergents to sqrt(617).

1, 1, 6, 25, 56, 81, 542, 1165, 2872, 18397, 21269, 60935, 265009, 1385980, 1650989, 80633452, 82284441, 492055657, 2050507069, 4593069795, 6643576864, 44454530979, 95552638822, 235559808623, 1508911490560, 1744471299183, 4997854088926, 21735887654887

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, 82019432, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

Mathematica

Denominator[Convergents[Sqrt[617], 30]] (* Vincenzo Librandi, Jan 16 2014 *)

Crossrefs

Cf. A042184.

Sequence in context: A320422 A075224 A364928 * A065069 A319429 A022270

Adjacent sequences: A042182 A042183 A042184 * A042186 A042187 A042188

Keyword

nonn,frac,easy

Author

N. J. A. Sloane

Extensions

More terms from Vincenzo Librandi, Jan 16 2014

Status

approved