A197322 Floor((2*n+1/n)^n)

3, 20, 254, 4632, 110408, 3243617, 113177496, 4570858599, 209655304352, 10763674952097, 611433842280387, 38071427445729200, 2578294348444597266, 188670154792420320214, 14834716200104606205407, 1247263229999781126495327, 111661618863544248806155259

Offset

1,1

Links

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

Mathematica

Table[Floor[(2n+1/n)^n], {n, 20}] (* Harvey P. Dale, Mar 25 2018 *)

Prog

(Magma) [Floor((2*n+1/n)^n): n in [1..20]]

Crossrefs

Cf. A014052

Sequence in context: A324955 A183607 A331504 * A197975 A210906 A355215

Adjacent sequences: A197319 A197320 A197321 * A197323 A197324 A197325

Keyword

nonn

Author

Vincenzo Librandi, Oct 17 2011

Status

approved