The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A076659 Denominator of f(n), where for n>2, f(n) = (n-1)/f(n-1)+(n-2)/f(n-2), with f(1) = 1, f(2) = 2. 1
 1, 1, 1, 2, 10, 155, 2573, 743265, 12908354895, 75801161569084271, 3405519155619352610554892553, 1003520149619351981752459025306803116214254621 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 COMMENTS f(n) -> Sqrt[2n], a slowly converging sequence. LINKS Table of n, a(n) for n=1..12. EXAMPLE f(3) = 2/f(2)+1/f(1) = 2/2+1/1 = 2/1, therefore in the sequence, 3rd term is 1. PROG (Maxima) a[1]:1\$ a[2]:2\$ a[n]:=(n-1)/a[n-1]+(n-2)/a[n-2]; makelist(ratdenom(a[n]), n, 1, 15); /* Martin Ettl, Oct 30 2012*/ CROSSREFS Cf. A076658. Sequence in context: A007080 A231517 A134088 * A197313 A294352 A007131 Adjacent sequences: A076656 A076657 A076658 * A076660 A076661 A076662 KEYWORD nonn,frac AUTHOR Zak Seidov, Oct 24 2002 STATUS approved

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

Last modified June 16 07:19 EDT 2024. Contains 373423 sequences. (Running on oeis4.)