A197980 - OEIS

%I #8 Apr 25 2023 13:40:13

%S 8,210,9709,636904,54039748,5621026396,692186010834,98457959756722,

%T 15883727818630152,2865366503771469410,571524481184700575470,

%U 124887520213444076248620

%N a(n) = round((7*n+1/n)^n).

%H Vincenzo Librandi, <a href="/A197980/b197980.txt">Table of n, a(n) for n = 1..300</a>

%o (Magma) [Round((7*n+1/n)^n): n in [1..20]]

%Y Cf. A014056, A197596.

%K nonn

%O 1,1

%A _Vincenzo Librandi_, Oct 20 2011