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 A040418 Continued fraction for sqrt(439). 1
 20, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19, 1, 40, 1, 19 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 1). FORMULA a(n)=(1/24)*{-173*(n mod 4)+169*[(n+1) mod 4]-47*[(n+2) mod 4]+295*[(n+3) mod 4]}-20*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, Apr 30 2009] MAPLE with(numtheory): Digits := 300: convert(evalf(sqrt(439)), confrac); MATHEMATICA ContinuedFraction[Sqrt[439], 120] (* or *) PadRight[{20}, 120, {40, 1, 19, 1}] (* Harvey P. Dale, Jun 24 2018 *) CROSSREFS Sequence in context: A040417 A278414 A003833 * A140116 A084923 A141589 Adjacent sequences:  A040415 A040416 A040417 * A040419 A040420 A040421 KEYWORD nonn,cofr,easy AUTHOR STATUS approved

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Last modified January 20 02:13 EST 2019. Contains 319320 sequences. (Running on oeis4.)