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A004503 Tersum n + 14. 0

%I

%S 14,12,13,17,15,16,11,9,10,23,21,22,26,24,25,20,18,19,5,3,4,8,6,7,2,0,

%T 1,41,39,40,44,42,43,38,36,37,50,48,49,53,51,52,47,45,46,32,30,31,35,

%U 33,34,29,27,28,68,66,67,71

%N Tersum n + 14.

%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.

%K nonn

%O 0,1

%A _N. J. A. Sloane_.

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Last modified June 25 20:02 EDT 2022. Contains 354851 sequences. (Running on oeis4.)