A042849 Denominators of continued fraction convergents to sqrt(955).

1, 1, 10, 31, 196, 227, 423, 2342, 28527, 144977, 173504, 318481, 2084390, 6571651, 61229249, 67800900, 4129283249, 4197084149, 41903040590, 129906205919, 821340276104, 951246482023, 1772586758127, 9814180272658, 119542750030023, 607527930422773, 727070680452796

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, 4190512498, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

Formula

a(n) = 4190512498*a(n-16) - a(n-32) for n>31. - Vincenzo Librandi, Jan 31 2014

Mathematica

Denominator[Convergents[Sqrt[955], 30]] (* Vincenzo Librandi, Jan 31 2014 *)

Crossrefs

Cf. A042848, A040924.

Sequence in context: A187705 A267564 A289201 * A097236 A332254 A280202

Adjacent sequences: A042846 A042847 A042848 * A042850 A042851 A042852

Keyword

nonn,frac,easy

Author

N. J. A. Sloane.

Extensions

More terms from Vincenzo Librandi, Jan 31 2014

Status

approved