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%I #13 Dec 27 2023 08:31:43
%S 7,8,6,1,2,0,4,5,3,16,17,15,10,11,9,13,14,12,25,26,24,19,20,18,22,23,
%T 21,34,35,33,28,29,27,31,32,30,43,44,42,37,38,36,40,41,39,52,53,51,46,
%U 47,45,49,50,48,61,62,60,55
%N Tersum n + 7.
%H <a href="/index/Rec#order_10">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,0,0,0,0,0,0,1,-1).
%F Tersum m + n : write m and n in base 3 and add mod 3 with no carries, e.g. 5 + 8 = "21" + "22" = "10" = 1.
%t LinearRecurrence[{1, 0, 0, 0, 0, 0, 0, 0, 1, -1}, {7, 8, 6, 1, 2, 0, 4, 5, 3, 16}, 80] (* _Jinyuan Wang_, Mar 10 2020 *)
%K nonn,easy
%O 0,1
%A _N. J. A. Sloane_
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