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Log base 3 (n) mod 257.
1

%I #13 Apr 01 2020 14:18:04

%S 0,48,1,96,55,49,85,144,2,103,196,97,106,133,56,192,120,50,125,151,86,

%T 244,28,145,110,154,3,181,94,104,242,240,197,168,140,98,219,173,107,

%U 199,19,134,207,36,57,76,61,193,170,158,121,202,89,51,251,229,126

%N Log base 3 (n) mod 257.

%D I. M. Vinogradov, Elements of Number Theory, p. 220ff.

%H Georg Fischer, <a href="/A036210/b036210.txt">Table of n, a(n) for n = 1..256</a>

%p with (numtheory): seq(mlog(n, 3, 257), n=1..256); # _Georg Fischer_, Mar 10 2020

%t a[1]=0; a[n_]:=MultiplicativeOrder[3, 257, {n}]; Array[a, 256] (* _Vincenzo Librandi_, Mar 31 2020 *)

%K nonn,fini,full

%O 1,2

%A _N. J. A. Sloane_