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%I #15 Dec 27 2023 08:31:46
%S 8,6,7,2,0,1,5,3,4,17,15,16,11,9,10,14,12,13,26,24,25,20,18,19,23,21,
%T 22,35,33,34,29,27,28,32,30,31,44,42,43,38,36,37,41,39,40,53,51,52,47,
%U 45,46,50,48,49,62,60,61,56
%N Tersum n + 8.
%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}, {8, 6, 7, 2, 0, 1, 5, 3, 4, 17}, 80] (* _Jinyuan Wang_, Mar 10 2020 *)
%K nonn,easy
%O 0,1
%A _N. J. A. Sloane_
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