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A040423 Continued fraction for sqrt(445). 2
21, 10, 1, 1, 10, 42, 10, 1, 1, 10, 42, 10, 1, 1, 10, 42, 10, 1, 1, 10, 42, 10, 1, 1, 10, 42, 10, 1, 1, 10, 42, 10, 1, 1, 10, 42, 10, 1, 1, 10, 42, 10, 1, 1, 10, 42, 10, 1, 1, 10, 42, 10, 1, 1, 10, 42, 10, 1, 1, 10, 42, 10, 1, 1, 10, 42, 10, 1, 1, 10, 42, 10 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..71.

Index entries for continued fractions for constants

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

FORMULA

a(n)=(1/25)*{-128*(n mod 5)-13*[(n+1) mod 5]+32*[(n+2) mod 5]+77*[(n+3) mod 5]+192*[(n+4) mod 5]}-21*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, Apr 30 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(445)), confrac);

CROSSREFS

Sequence in context: A040424 A220132 A146375 * A318648 A033341 A252629

Adjacent sequences:  A040420 A040421 A040422 * A040424 A040425 A040426

KEYWORD

nonn,cofr,easy,less

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified August 22 07:40 EDT 2019. Contains 326172 sequences. (Running on oeis4.)