%I #10 Sep 08 2022 08:44:48

%S 1,2,-4087,-531414,-16777135,-244140382,-2176781607,-13841285014,

%T -68719470175,-282429516798,-999999940951,-3138428199574,

%U -8916099916815,-23298083528158,-56693907592327,-129746323541718,-281474933663935

%N a(n) = 3^n - n^12.

%H Vincenzo Librandi, <a href="/A024035/b024035.txt">Table of n, a(n) for n = 0..200</a>

%o (Magma) [3^n-n^12: n in [0..35]]; // _Vincenzo Librandi_, May 12 2011

%K sign

%O 0,2

%A _N. J. A. Sloane_