login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A197975 Round((2*n+1/n)^n) 1

%I

%S 3,20,254,4633,110408,3243618,113177496,4570858599,209655304353,

%T 10763674952098,611433842280388,38071427445729200,2578294348444597267,

%U 188670154792420320214,14834716200104606205407,1247263229999781126495328,111661618863544248806155259

%N Round((2*n+1/n)^n)

%H Vincenzo Librandi, <a href="/A197975/b197975.txt">Table of n, a(n) for n = 1..300</a>

%t Table[Round[(2n+1/n)^n],{n,20}] (* _Harvey P. Dale_, May 28 2018 *)

%o (MAGMA) [Round((2*n+1/n)^n): n in [1..20]]

%Y Cf. A014056

%K nonn

%O 1,1

%A _Vincenzo Librandi_, Oct 20 2011

%E Corrected and extended by _Harvey P. Dale_, May 28 2018

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 21 23:26 EDT 2021. Contains 348160 sequences. (Running on oeis4.)