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A040326 Continued fraction for sqrt(345). 1
18, 1, 1, 2, 1, 6, 1, 2, 1, 1, 36, 1, 1, 2, 1, 6, 1, 2, 1, 1, 36, 1, 1, 2, 1, 6, 1, 2, 1, 1, 36, 1, 1, 2, 1, 6, 1, 2, 1, 1, 36, 1, 1, 2, 1, 6, 1, 2, 1, 1, 36, 1, 1, 2, 1, 6, 1, 2, 1, 1, 36, 1, 1, 2, 1, 6, 1, 2, 1, 1, 36, 1, 1, 2, 1, 6, 1, 2, 1, 1, 36, 1, 1, 2, 1, 6, 1, 2, 1, 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)*{-1523*(n mod 10)+52*[(n+1) mod 10]+97*[(n+2) mod 10]+7*[(n+3) mod 10]+277*[(n+4) mod 10]-173*[(n+5) mod 10]+97*[(n+6) mod 10]+7*[(n+7) mod 10]+52*[(n+8) mod 10]+1627*[(n+9) mod 10]}-18*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, Apr 27 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(345)), confrac);

CROSSREFS

Sequence in context: A040327 A040328 A040329 * A040325 A040324 A168623

Adjacent sequences:  A040323 A040324 A040325 * A040327 A040328 A040329

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified July 21 19:13 EDT 2019. Contains 325199 sequences. (Running on oeis4.)