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A040688 Continued fraction for sqrt(715). 2
26, 1, 2, 1, 5, 5, 5, 1, 2, 1, 52, 1, 2, 1, 5, 5, 5, 1, 2, 1, 52, 1, 2, 1, 5, 5, 5, 1, 2, 1, 52, 1, 2, 1, 5, 5, 5, 1, 2, 1, 52, 1, 2, 1, 5, 5, 5, 1, 2, 1, 52, 1, 2, 1, 5, 5, 5, 1, 2, 1, 52, 1, 2, 1, 5, 5, 5, 1, 2, 1, 52, 1, 2, 1, 5, 5, 5, 1, 2, 1, 52, 1, 2, 1, 5, 5, 5, 1, 2, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..89.

Index entries for continued fractions for constants

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

FORMULA

a(n)=(1/30)*{-148*(n mod 10)+8*[(n+1) mod 10]+2*[(n+2) mod 10]+17*[(n+3) mod 10]+5*[(n+4) mod 10]+5*[(n+5) mod 10]-7*[(n+6) mod 10]+8*[(n+7) mod 10]+2*[(n+8) mod 10]+158*[(n+9) mod 10]}-26*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, May 19 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(715)), confrac);

MATHEMATICA

ContinuedFraction[Sqrt[715], 120] (* or *) PadRight[{26}, 120, {52, 1, 2, 1, 5, 5, 5, 1, 2, 1}] (* Harvey P. Dale, Sep 23 2015 *)

CROSSREFS

Sequence in context: A157630 A173583 A040687 * A040686 A040685 A040691

Adjacent sequences:  A040685 A040686 A040687 * A040689 A040690 A040691

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 28 10:49 EST 2020. Contains 332323 sequences. (Running on oeis4.)