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
3, 20, 254, 4633, 110408, 3243618, 113177496, 4570858599, 209655304353, 10763674952098, 611433842280388, 38071427445729200, 2578294348444597267, 188670154792420320214, 14834716200104606205407, 1247263229999781126495328, 111661618863544248806155259 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..300

MATHEMATICA

Table[Round[(2n+1/n)^n], {n, 20}] (* Harvey P. Dale, May 28 2018 *)

PROG

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

CROSSREFS

Cf. A014056

Sequence in context: A183607 A331504 A197322 * A210906 A193194 A320945

Adjacent sequences:  A197972 A197973 A197974 * A197976 A197977 A197978

KEYWORD

nonn

AUTHOR

Vincenzo Librandi, Oct 20 2011

EXTENSIONS

Corrected and extended by Harvey P. Dale, May 28 2018

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 21 09:52 EDT 2021. Contains 347597 sequences. (Running on oeis4.)