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 A040360 Continued fraction for sqrt(380). 1
 19, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38, 2, 38 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Index entries for linear recurrences with constant coefficients, signature (0, 1). FORMULA a(n)=20+18*(-1)^n-19*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, Apr 29 2009] MAPLE with(numtheory): Digits := 300: convert(evalf(sqrt(380)), confrac); MATHEMATICA ContinuedFraction[Sqrt[380], 90] (* or *) PadRight[{19}, 90, {38, 2}] (* Harvey P. Dale, Jan 04 2015 *) CROSSREFS Sequence in context: A051312 A256635 A040359 * A040351 A040352 A040353 Adjacent sequences:  A040357 A040358 A040359 * A040361 A040362 A040363 KEYWORD nonn,cofr,easy AUTHOR STATUS approved

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Last modified October 19 13:01 EDT 2019. Contains 328222 sequences. (Running on oeis4.)