This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A040419 Continued fraction for sqrt(440). 1
 20, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40 (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)=(1/2)*[41+39*(-1)^n]-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(440)), confrac); MATHEMATICA ContinuedFraction[Sqrt[440], 100] (* or *) PadRight[{20}, 100, {40, 1}] (* Harvey P. Dale, Apr 13 2012 *) CROSSREFS Sequence in context: A084923 A141589 A162153 * A200092 A164812 A280621 Adjacent sequences:  A040416 A040417 A040418 * A040420 A040421 A040422 KEYWORD nonn,cofr,easy AUTHOR STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified July 23 13:58 EDT 2019. Contains 325254 sequences. (Running on oeis4.)