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Log base 5 (n) mod 157.
1

%I #14 Mar 14 2020 07:13:57

%S 0,141,82,126,1,67,147,111,8,142,28,52,26,132,83,96,40,149,124,127,73,

%T 13,135,37,2,11,90,117,129,68,62,81,110,25,148,134,116,109,108,112,21,

%U 58,113,154,9,120,92,22,138,143,122,152,59,75,29,102,50,114,45

%N Log base 5 (n) mod 157.

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

%H Georg Fischer, <a href="/A036192/b036192.txt">Table of n, a(n) for n = 1..156</a>

%p with (numtheory): seq(mlog(n, 5, 157), n=1..156); # _Georg Fischer_, Mar 09 2020

%t a[1]=0; a[n_]:=MultiplicativeOrder[5, 157, {n}]; Array[a, 156] (* _Vincenzo Librandi_, Mar 14 2020 *)

%K nonn,fini,full

%O 1,2

%A _N. J. A. Sloane_.