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A040118 Continued fraction for sqrt(130). 1
11, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22, 2, 2, 22 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..69.

Index entries for continued fractions for constants

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

FORMULA

a(n)=(1/9)*{-34*(n mod 3)+26*[(n+1) mod 3]+86*[(n+2) mod 3]}-11*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, Jun 10 2009]

MAPLE

Digits := 100: convert(evalf(sqrt(N)), confrac, 90, 'cvgts'):

MATHEMATICA

ContinuedFraction[Sqrt[130], 300] (* Vladimir Joseph Stephan Orlovsky, Mar 12 2011*)

CROSSREFS

Sequence in context: A323454 A261353 A087774 * A099268 A070277 A109864

Adjacent sequences:  A040115 A040116 A040117 * A040119 A040120 A040121

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 21 23:26 EST 2019. Contains 320381 sequences. (Running on oeis4.)