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A040460 Continued fraction for sqrt(482). 2
21, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20 (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, 0, 0, 1).

FORMULA

a(n)=(1/22)*{-91*(n mod 4)+89*[(n+1) mod 4]+-25*[(n+2) mod 4]+155*[(n+3) mod 4]}-21*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, May 13 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(482)), confrac);

MATHEMATICA

ContinuedFraction[Sqrt[482], 120] (* or *) PadRight[{21}, 120, {42, 1, 20, 1}] (* Harvey P. Dale, Aug 20 2015 *)

CROSSREFS

Sequence in context: A040458 A093192 A040459 * A040461 A260531 A252939

Adjacent sequences:  A040457 A040458 A040459 * A040461 A040462 A040463

KEYWORD

nonn,cofr,easy,less

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 26 20:51 EDT 2022. Contains 354092 sequences. (Running on oeis4.)