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A040303 Continued fraction for sqrt(321). 1
17, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10 (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)=(1/6)*{-38*(n mod 4)+25*[(n+1) mod 4]-2*[(n+2) mod 4]+61*[(n+3) mod 4]}-17*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, Apr 27 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(321)), confrac);

CROSSREFS

Sequence in context: A040302 A269481 A229201 * A040304 A124517 A241121

Adjacent sequences:  A040300 A040301 A040302 * A040304 A040305 A040306

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified August 20 14:06 EDT 2019. Contains 326152 sequences. (Running on oeis4.)