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A040436 Continued fraction for sqrt(458). 1
21, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2, 42, 2, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..80.

Index entries for continued fractions for constants

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

FORMULA

a(n)=(1/9)*{-74*(n mod 3)+46*[(n+1) mod 3]+166*[(n+2) mod 3]}-21*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, Apr 30 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(458)), confrac);

CROSSREFS

Sequence in context: A040435 A040434 A040437 * A040438 A040439 A174429

Adjacent sequences:  A040433 A040434 A040435 * A040437 A040438 A040439

KEYWORD

nonn,cofr,easy,less

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified July 23 14:07 EDT 2019. Contains 325254 sequences. (Running on oeis4.)