%I #6 Sep 08 2022 08:45:59
%S 4,42,813,22519,811368,35946076,1888624972,114746269758,7912720985079,
%T 610470884770406,52094956940751710,4871691779130290166,
%U 495409898474358881327,54427906182810588386674,6424384909407981686846705
%N Round((3*n+1/n)^n)
%H Vincenzo Librandi, <a href="/A197976/b197976.txt">Table of n, a(n) for n = 1..300</a>
%o (Magma) [Round((3*n+1/n)^n): n in [1..20]]
%Y Cf. A014056
%K nonn
%O 1,1
%A _Vincenzo Librandi_, Oct 20 2011