login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A118326 Engel expansion of tanh(1). 1
2, 2, 22, 50, 70, 29091, 49606, 174594, 260086, 1395138, 8755202, 13452935, 34664211, 89502392, 490611832, 1152519711, 2034899286, 2281723269, 3511022987, 12377674446, 17495576384, 21346545848, 115293211710 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics, Engel Expansion
MATHEMATICA
EngelExp[A_, n_]:=Join[Array[1&, Floor[A]], First@Transpose@NestList[{Ceiling[1/Expand[ #[[1]]#[[2]]-1]], Expand[ #[[1]]#[[2]]-1]}&, {Ceiling[1/(A-Floor[A])], A-Floor[A]}, n-1]]; EngelExp[N[Tanh[1], 7! ], 50] (* Vladimir Joseph Stephan Orlovsky, Jun 08 2009 *)
CROSSREFS
Sequence in context: A036110 A143807 A118454 * A212847 A087405 A357244
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Apr 23 2006
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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)