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A197322 Floor((2*n+1/n)^n) 1
3, 20, 254, 4632, 110408, 3243617, 113177496, 4570858599, 209655304352, 10763674952097, 611433842280387, 38071427445729200, 2578294348444597266, 188670154792420320214, 14834716200104606205407, 1247263229999781126495327, 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[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: A262208 A324955 A183607 * A197975 A210906 A193194

Adjacent sequences:  A197319 A197320 A197321 * A197323 A197324 A197325

KEYWORD

nonn

AUTHOR

Vincenzo Librandi, Oct 17 2011

STATUS

approved

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Last modified October 20 12:32 EDT 2019. Contains 328257 sequences. (Running on oeis4.)