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A040492 Continued fraction for sqrt(515). 2
22, 1, 2, 3, 1, 3, 1, 3, 2, 1, 44, 1, 2, 3, 1, 3, 1, 3, 2, 1, 44, 1, 2, 3, 1, 3, 1, 3, 2, 1, 44, 1, 2, 3, 1, 3, 1, 3, 2, 1, 44, 1, 2, 3, 1, 3, 1, 3, 2, 1, 44, 1, 2, 3, 1, 3, 1, 3, 2, 1, 44, 1, 2, 3, 1, 3, 1, 3, 2, 1, 44, 1, 2, 3, 1, 3, 1, 3, 2, 1, 44, 1, 2, 3, 1, 3, 1, 3, 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)=(1/450)*{-1874*(n mod 10)+106*[(n+1) mod 10]+106*[(n+2) mod 10]-29*[(n+3) mod 10]+151*[(n+4) mod 10]-29*[(n+5) mod 10]+151*[(n+6) mod 10]+16*[(n+7) mod 10]+16*[(n+8) mod 10]+1996*[(n+9) mod 10]}-22*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, May 13 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(515)), confrac);

CROSSREFS

Sequence in context: A040493 A040494 A225336 * A040491 A040496 A040495

Adjacent sequences:  A040489 A040490 A040491 * A040493 A040494 A040495

KEYWORD

nonn,cofr,easy,less

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified September 28 10:48 EDT 2021. Contains 347714 sequences. (Running on oeis4.)