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%I #8 Mar 30 2012 18:58:12
%S 1,3,4,6,7,9,10,12,14,15,17,18,20,21,23,25,26,28,29,31,32,34,35,37,39,
%T 40,42,43,45,46,48,50,51,53,54,56,57,59,60,62,64,65,67,68,70,71,73,75,
%U 76,78,79,81,82,84,85,87,89,90,92,93,95,96,98,99,101,103,104
%N Position of log(n+1) when the partial sums of the harmonic series are jointly ranked with the set {log(k+1)}; complement of A206911.
%C Conjecture: the difference sequence of A206912 consists of 1s and 2s; see Comments at A206911.
%e (See the example at A206911.)
%t f[n_] := Sum[1/k, {k, 1, n}]; z = 300;
%t g[n_] := N[Log[n + 1]];
%t c = Table[f[n], {n, 1, z}];
%t s = Table[g[n], {n, 1, z}];
%t j = Sort[Union[c, s]];
%t p[n_] := Position[j, f[n]]; q[n_] := Position[j, g[n]];
%t Flatten[Table[p[n], {n, 1, z}]] (* A206911 *)
%t Flatten[Table[q[n], {n, 1, z}]] (* A206912 *)
%Y Cf. A206911.
%K nonn
%O 1,2
%A _Clark Kimberling_, Feb 13 2012