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A040889 Continued fraction for sqrt(920). 2
30, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60, 3, 60 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

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

Index entries for continued fractions for constants

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

FORMULA

a(n)=(1/2)*[63+57*(-1)^n]-30*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, Jun 03 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(920)), confrac);

MATHEMATICA

PadRight[{30}, 80, {60, 3}] (* Harvey P. Dale, May 02 2012 *)

CROSSREFS

Sequence in context: A040885 A040887 A040888 * A307026 A040882 A040883

Adjacent sequences:  A040886 A040887 A040888 * A040890 A040891 A040892

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 22 04:25 EDT 2019. Contains 328315 sequences. (Running on oeis4.)