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A040263 Continued fraction for sqrt(280). 1
16, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..86.

Index entries for continued fractions for constants

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

FORMULA

a(n)=(1/15)*{-71*(n mod 6)+9*[(n+1) mod 6]+4*[(n+2) mod 6]+9*[(n+3) mod 6]+4*[(n+4) mod 6]+84*[(n+5) mod 6]}-16*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, Apr 24 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(280)), confrac);

CROSSREFS

Sequence in context: A015141 A176390 A178062 * A082696 A040262 A040261

Adjacent sequences:  A040260 A040261 A040262 * A040264 A040265 A040266

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 23 12:03 EST 2019. Contains 320431 sequences. (Running on oeis4.)