%I #18 May 11 2023 17:52:13

%S 0,0,15,728,65535,9765624,2176782335,678223072848,281474976710655,

%T 150094635296999120,99999999999999999999,81402749386839761113320,

%U 79496847203390844133441535,91733330193268616658399616008,123476695691247935826229781856255

%N a(n) = n^(2*n) - 1.

%C a(n) = A048861(n)*A014566(n) = A062206(n) - 1.

%t Join[{0},Table[(n^2)^n-1,{n,17}]] (* _Vladimir Joseph Stephan Orlovsky_, Feb 14 2011*)

%o (Magma)[n^(2*n) - 1: n in [0..40]]; // _Vincenzo Librandi_, Dec 26 2010

%Y Cf. A000312, A014566, A048861, A062206.

%K nonn

%O 0,3

%A _Reinhard Zumkeller_, Oct 17 2006