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a(n) = 8^n - n^12.
1

%I #11 Aug 18 2024 13:06:03

%S 1,7,-4032,-530929,-16773120,-244107857,-2176520192,-13839190049,

%T -68702699520,-282295318753,-998926258176,-3129838442129,

%U -8847380971520,-22748329308593,-52295865864192,-94561965801793,0,1669177576455487

%N a(n) = 8^n - n^12.

%H Vincenzo Librandi, <a href="/A024100/b024100.txt">Table of n, a(n) for n = 0..400</a>

%t Table[8^n-n^12,{n,0,20}] (* _Harvey P. Dale_, Aug 18 2024 *)

%o (Magma) [8^n-n^12: n in [0..20]]; // _Vincenzo Librandi_, Jul 05 2011

%K sign,easy

%O 0,2

%A _N. J. A. Sloane_