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A040555 Continued fraction for sqrt(580). 1
24, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48, 12, 48 (list; graph; refs; listen; history; text; internal format)
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

a(n)=30+18*(-1)^n-24*[C(2*n,n) mod 2], with n>=0. - Paolo P. Lava, May 14 2009

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(580)), confrac);

MATHEMATICA

Block[{$MaxExtraPrecision=1000}, ContinuedFraction[Sqrt[580], 120]] (* Harvey P. Dale, Jun 13 2011 *)

CROSSREFS

Sequence in context: A079341 A307267 A080865 * A081314 A119872 A002550

Adjacent sequences:  A040552 A040553 A040554 * A040556 A040557 A040558

KEYWORD

nonn,cofr,easy,less

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified October 15 00:14 EDT 2019. Contains 328025 sequences. (Running on oeis4.)