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%I #10 Sep 08 2022 08:44:48
%S 1,6,-4047,-531098,-16774815,-244123818,-2176664687,-13840463658,
%T -68713711935,-282389182874,-999717524751,-3136451049978,
%U -8902259161055,-23201196112074,-56015689302447,-124998776380682,-248242046141055
%N a(n) = 7^n - n^12.
%H Vincenzo Librandi, <a href="/A024087/b024087.txt">Table of n, a(n) for n = 0..400</a>
%o (Magma) [7^n-n^12: n in [0..20]]; // _Vincenzo Librandi_, Jul 04 2011
%K sign,easy
%O 0,2
%A _N. J. A. Sloane_
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