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%I #12 Apr 04 2020 04:46:47
%S 0,8,6,16,1,14,33,24,12,9,55,22,59,41,7,32,21,20,62,17,39,63,46,30,2,
%T 67,18,49,35,15,11,40,61,29,34,28,64,70,65,25,4,47,51,71,13,54,31,38,
%U 66,10,27,3,53,26,56,57,68,43,5,23,58,19,45,48,60,69,50,37,52,42,44,36
%N Log base 5 (n) mod 73.
%D I. M. Vinogradov, Elements of Number Theory, p. 224.
%H I. M. Vinogradov, <a href="https://isidore.co/calibre/get/pdf/4459">Elements of Number Theory</a>, Translation of 5th revised edition, Dover Publications Inc., 1954, p. 224.
%F Row n=21 of T(n,k) in A054503. - _Georg Fischer_, Jan 19 2020
%t a[1]=0; a[n_]:=MultiplicativeOrder[5, 73, {n}]; Array[a, 72] (* _Vincenzo Librandi_, Apr 04 2020 *)
%Y Cf. A054503.
%K nonn,fini,full
%O 1,2
%A _N. J. A. Sloane_.
%E a(59)-a(72) from _Georg Fischer_, Jan 19 2020
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