A040385 Continued fraction for sqrt(406).

20, 6, 1, 2, 4, 7, 1, 4, 1, 7, 4, 2, 1, 6, 40, 6, 1, 2, 4, 7, 1, 4, 1, 7, 4, 2, 1, 6, 40, 6, 1, 2, 4, 7, 1, 4, 1, 7, 4, 2, 1, 6, 40, 6, 1, 2, 4, 7, 1, 4, 1, 7, 4, 2, 1, 6, 40, 6, 1, 2, 4, 7, 1, 4, 1, 7, 4, 2, 1, 6, 40, 6, 1, 2, 4, 7, 1, 4, 1, 7, 4, 2, 1, 6, 40, 6, 1, 2, 4, 7

Offset

0,1

Links

Table of n, a(n) for n=0..89.

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, 1).

Maple

with(numtheory): Digits := 300: convert(evalf(sqrt(406)), confrac);

Mathematica

ContinuedFraction[Sqrt[406], 120] (* Harvey P. Dale, Mar 18 2025 *)
(* Alternative: *)
PadRight[{20}, 120, {40, 6, 1, 2, 4, 7, 1, 4, 1, 7, 4, 2, 1, 6}] (* Harvey P. Dale, Mar 18 2025 *)

Crossrefs

Sequence in context: A233820 A040387 A201137 * A161997 A274458 A351025

Adjacent sequences: A040382 A040383 A040384 * A040386 A040387 A040388

Keyword

nonn,cofr,easy,changed

Author

N. J. A. Sloane

Status

approved