A010217 Continued fraction for sqrt(173).

13, 6, 1, 1, 6, 26, 6, 1, 1, 6, 26, 6, 1, 1, 6, 26, 6, 1, 1, 6, 26, 6, 1, 1, 6, 26, 6, 1, 1, 6, 26, 6, 1, 1, 6, 26, 6, 1, 1, 6, 26, 6, 1, 1, 6, 26, 6, 1, 1, 6, 26, 6, 1, 1, 6, 26, 6, 1, 1, 6, 26, 6, 1, 1, 6, 26, 6, 1, 1, 6, 26, 6, 1, 1, 6

Offset

0,1

Links

Table of n, a(n) for n=0..74.

G. Xiao, Contfrac

Index entries for continued fractions for constants

Index entries for periodic sequences.

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 1).

Mathematica

ContinuedFraction[Sqrt[173], 300] (* Vladimir Joseph Stephan Orlovsky, Mar 25 2011 *)
PadRight[{13}, 120, {26, 6, 1, 1, 6}] (* Harvey P. Dale, Sep 01 2020 *)

Prog

(PARI) a(n)=if(n, [26, 6, 1, 1, 6][n%5+1], 13) \\ Charles R Greathouse IV, May 28 2026

Crossrefs

Sequence in context: A240121 A081458 A296438 * A033333 A322569 A004478

Adjacent sequences: A010214 A010215 A010216 * A010218 A010219 A010220

Keyword

nonn,cofr,easy

Author

N. J. A. Sloane

Status

approved