A040388 Continued fraction for sqrt(409).

20, 4, 2, 7, 1, 1, 1, 4, 2, 2, 13, 13, 2, 2, 4, 1, 1, 1, 7, 2, 4, 40, 4, 2, 7, 1, 1, 1, 4, 2, 2, 13, 13, 2, 2, 4, 1, 1, 1, 7, 2, 4, 40, 4, 2, 7, 1, 1, 1, 4, 2, 2, 13, 13, 2, 2, 4, 1, 1, 1, 7, 2, 4, 40, 4, 2, 7, 1, 1, 1, 4, 2, 2, 13, 13, 2, 2, 4, 1, 1, 1, 7, 2, 4, 40, 4, 2

Offset

0,1

Links

Table of n, a(n) for n=0..86.

Index entries for continued fractions for constants

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, 1).

Maple

with(numtheory): Digits := 300: convert(evalf(sqrt(409)), confrac);

Mathematica

ContinuedFraction[Sqrt[409], 120] (* or *) PadRight[{20}, 120, {40, 4, 2, 7, 1, 1, 1, 4, 2, 2, 13, 13, 2, 2, 4, 1, 1, 1, 7, 2, 4}] (* Harvey P. Dale, Dec 25 2022 *)

Crossrefs

Sequence in context: A317320 A327701 A337157 * A018816 A040389 A040386

Adjacent sequences: A040385 A040386 A040387 * A040389 A040390 A040391

Keyword

nonn,cofr,easy

Author

N. J. A. Sloane.

Status

approved