A197764 - OEIS

%I #12 Sep 08 2022 08:45:59

%S 5,73,1877,69730,3363233,199205127,13982257729,1134344816185,

%T 104416147080712,10750872867074587,1224163955433850944,

%U 152733676280699540999,20719969553916698313305,3036565789908881887393114,478082645334119488823777215,80475210949356295594385157621

%N Ceiling((4n+1/n)^n).

%H Vincenzo Librandi, <a href="/A197764/b197764.txt">Table of n, a(n) for n = 1..300</a>

%o (Magma) [Ceiling((4*n+1/n)^n): n in [1..20]]

%o (PARI) a(n)=ceil((4*n+1/n)^n) \\ _Charles R Greathouse IV_, Nov 21 2011

%Y Cf. A014058.

%K nonn,less

%O 1,1

%A _Vincenzo Librandi_, Oct 18 2011