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A040288 Continued fraction for sqrt(306). 1
17, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34, 2, 34 (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)=18+16(-1)^n-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(306)), confrac);

CROSSREFS

Sequence in context: A016735 A034059 A303733 * A036171 A321261 A040280

Adjacent sequences:  A040285 A040286 A040287 * A040289 A040290 A040291

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 22 18:17 EDT 2019. Contains 328319 sequences. (Running on oeis4.)