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A040471 Continued fraction for sqrt(494). 2
22, 4, 2, 2, 1, 2, 1, 2, 2, 4, 44, 4, 2, 2, 1, 2, 1, 2, 2, 4, 44, 4, 2, 2, 1, 2, 1, 2, 2, 4, 44, 4, 2, 2, 1, 2, 1, 2, 2, 4, 44, 4, 2, 2, 1, 2, 1, 2, 2, 4, 44, 4, 2, 2, 1, 2, 1, 2, 2, 4, 44, 4, 2, 2, 1, 2, 1, 2, 2, 4, 44, 4, 2, 2, 1, 2, 1, 2, 2, 4, 44, 4, 2, 2, 1, 2, 1, 2, 2, 4 (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)*{-1736*(n mod 10)-26*[(n+1) mod 10]+64*[(n+2) mod 10]+19*[(n+3) mod 10]+109*[(n+4) mod 10]+19*[(n+5) mod 10]+109*[(n+6) mod 10]+64*[(n+7) mod 10]+154*[(n+8) mod 10]+1864*[(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(494)), confrac);

CROSSREFS

Sequence in context: A174735 A317322 A040470 * A018817 A040472 A139335

Adjacent sequences:  A040468 A040469 A040470 * A040472 A040473 A040474

KEYWORD

nonn,cofr,easy,less

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified September 16 06:18 EDT 2021. Contains 347469 sequences. (Running on oeis4.)