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A040243 Continued fraction for sqrt(260). 1
16, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32, 8, 32 (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)=20+12*(-1)^n-16*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, Apr 21 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(260)), confrac);

MATHEMATICA

Block[{$MaxExtraPrecision=1000}, ContinuedFraction[Sqrt[260], 120]] (* or *) PadRight[{16}, 120, {32, 8}] (* Harvey P. Dale, Apr 06 2017 *)

CROSSREFS

Sequence in context: A305583 A316690 A258160 * A299584 A213558 A164703

Adjacent sequences:  A040240 A040241 A040242 * A040244 A040245 A040246

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified March 18 11:15 EDT 2019. Contains 321283 sequences. (Running on oeis4.)