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A040453 Continued fraction for sqrt(475). 2
21, 1, 3, 1, 6, 2, 6, 1, 3, 1, 42, 1, 3, 1, 6, 2, 6, 1, 3, 1, 42, 1, 3, 1, 6, 2, 6, 1, 3, 1, 42, 1, 3, 1, 6, 2, 6, 1, 3, 1, 42, 1, 3, 1, 6, 2, 6, 1, 3, 1, 42, 1, 3, 1, 6, 2, 6, 1, 3, 1, 42, 1, 3, 1, 6, 2, 6, 1, 3, 1, 42, 1, 3, 1, 6, 2, 6, 1, 3, 1, 42, 1, 3, 1, 6, 2, 6, 1, 3, 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)=(1/150)*{-593*(n mod 10)+52*[(n+1) mod 10]-8*[(n+2) mod 10]+97*[(n+3) mod 10]-38*[(n+4) mod 10]+82*[(n+5) mod 10]-53*[(n+6) mod 10]+52*[(n+7) mod 10]-8*[(n+8) mod 10]+637*[(n+9) mod 10]}-21*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, May 13 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(475)), confrac);

CROSSREFS

Sequence in context: A040451 A040449 A040448 * A040452 A102524 A040454

Adjacent sequences:  A040450 A040451 A040452 * A040454 A040455 A040456

KEYWORD

nonn,cofr,easy,less

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified November 29 13:17 EST 2021. Contains 349416 sequences. (Running on oeis4.)