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Round((n+1/5)^n).
1

%I #10 Sep 08 2022 08:45:59

%S 1,5,33,311,3802,56800,1003061,20441409,472161363,12189944200,

%T 347854999335,10872213398723,369369563065819,13553043160362243,

%U 534138422146939893,22502990284669009819,1009214769013552542796,48004835269442445650150

%N Round((n+1/5)^n).

%H Vincenzo Librandi, <a href="/A198079/b198079.txt">Table of n, a(n) for n = 1..300</a>

%t Table[Round[(n+1/5)^n],{n,20}] (* _Harvey P. Dale_, Jul 12 2014 *)

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

%Y Cf. A014056.

%K nonn

%O 1,2

%A _Vincenzo Librandi_, Oct 21 2011