A197765 - OEIS

%I #15 Sep 08 2022 08:45:59

%S 6,111,3606,168152,10162551,753640011,66200225627,6719243243860,

%T 773662803646265,99627047203913815,14186632841753756406,

%U 2213340465298424454703,375449162169269152689332,68797650004483898373052061,13542753444466024362689788809

%N a(n) = ceiling((5n+1/n)^n).

%H Vincenzo Librandi, <a href="/A197765/b197765.txt">Table of n, a(n) for n = 1..300</a>

%t Table[Ceiling[(5n+1/n)^n],{n,20}] (* _Harvey P. Dale_, Nov 16 2021 *)

%o (Magma) [Ceiling((5*n+1/n)^n): n in [1..20]]

%o (PARI) a(n)=ceil((5*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