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

%I #8 Sep 08 2022 08:45:59

%S 3,20,254,4632,110408,3243617,113177496,4570858599,209655304352,

%T 10763674952097,611433842280387,38071427445729200,2578294348444597266,

%U 188670154792420320214,14834716200104606205407,1247263229999781126495327,111661618863544248806155259

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

%H Vincenzo Librandi, <a href="/A197322/b197322.txt">Table of n, a(n) for n = 1..300</a>

%t Table[Floor[(2n+1/n)^n],{n,20}] (* _Harvey P. Dale_, Mar 25 2018 *)

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

%Y Cf. A014052

%K nonn

%O 1,1

%A _Vincenzo Librandi_, Oct 17 2011

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Last modified March 28 14:13 EDT 2024. Contains 371254 sequences. (Running on oeis4.)