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 A040212 Continued fraction for sqrt(228). 1
 15, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30, 10, 30 (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+10*(-1)^n-15*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, Apr 23 2009] MAPLE with(numtheory): Digits := 300: convert(evalf(sqrt(228)), confrac); MATHEMATICA Block[{\$MaxExtraPrecision=1000}, ContinuedFraction[Sqrt[228], 100]] (* or *) PadRight[{15}, 100, {30, 10}] (* Harvey P. Dale, Jul 14 2014 *) CROSSREFS Sequence in context: A166523 A123542 A215236 * A299316 A321419 A013379 Adjacent sequences:  A040209 A040210 A040211 * A040213 A040214 A040215 KEYWORD nonn,cofr,easy AUTHOR STATUS approved

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Last modified May 28 09:09 EDT 2022. Contains 354112 sequences. (Running on oeis4.)