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A010220 Continued fraction for sqrt(176). 1
13, 3, 1, 3, 26, 3, 1, 3, 26, 3, 1, 3, 26, 3, 1, 3, 26, 3, 1, 3, 26, 3, 1, 3, 26, 3, 1, 3, 26, 3, 1, 3, 26, 3, 1, 3, 26, 3, 1, 3, 26, 3, 1, 3, 26, 3, 1, 3, 26, 3, 1, 3, 26, 3, 1, 3, 26, 3, 1, 3, 26, 3, 1, 3, 26, 3, 1, 3, 26, 3, 1, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..71.

G. Xiao, Contfrac

Index entries for continued fractions for constants

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

FORMULA

a(n) = (1/3)*(-5*(n mod 4) + ((n+1) mod 4) + 4*((n+2) mod 4) + 10*((n+3) mod 4)) - 13*(C(2*n,n) mod 2), with n >= 0. - Paolo P. Lava, Jul 28 2009

MATHEMATICA

ContinuedFraction[Sqrt[176], 300] (* Vladimir Joseph Stephan Orlovsky, Mar 25 2011 *)

PadRight[{13}, 120, {26, 3, 1, 3}] (* Harvey P. Dale, Aug 02 2018 *)

CROSSREFS

Sequence in context: A178548 A098222 A114457 * A104818 A280009 A117540

Adjacent sequences:  A010217 A010218 A010219 * A010221 A010222 A010223

KEYWORD

nonn,cofr

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified October 22 19:53 EDT 2019. Contains 328319 sequences. (Running on oeis4.)