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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
OFFSET
1,1
LINKS
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
Sequence in context: A324955 A183607 A331504 * A197975 A210906 A355215
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Oct 17 2011
STATUS
approved