A040604 Continued fraction for sqrt(630).

25, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50

Offset

0,1

Links

Table of n, a(n) for n=0..62.

Index entries for continued fractions for constants

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

Formula

G.f.: 5*(5 + 2*x + 5*x^2)/(1 - x^2). - Stefano Spezia, Dec 22 2021

a(n) = 5 * A040024(n). - Alois P. Heinz, Dec 22 2021

Maple

with(numtheory): Digits := 300: convert(evalf(sqrt(630)), confrac);

Mathematica

Block[{$MaxExtraPrecision=1000}, ContinuedFraction[Sqrt[630], 100]] (* or *) PadRight[{25}, 100, {50, 10}] (* Harvey P. Dale, May 20 2018 *)

Crossrefs

Cf. A040024.

Sequence in context: A181763 A171638 A217432 * A358131 A097440 A040603

Adjacent sequences: A040601 A040602 A040603 * A040605 A040606 A040607

Keyword

nonn,cofr,easy

Author

N. J. A. Sloane.

Status

approved