von Mangoldt function and von Mangoldt matrix

Clear[t];
nn = 64;
t[n_, 1] = 1;
t[1, k_] = 1;
t[n_, k_] :=
  t[n, k] =
   If[n < k,
    If[And[n > 1, k > 1], Sum[-t[k - i, n], {i, 1, n - 1}], 0],
    If[And[n > 1, k > 1], Sum[-t[n - i, k], {i, 1, k - 1}], 0]];
g1 = ListPlot[
   Table[Total[
     Total[Table[
       Table[If[k == 1, 0, t[n, k]/n], {k, 1, ii}], {n, 1,
        ii}]]], {ii, 1, nn}], PlotStyle -> RGBColor[1, 0, 1]];
g2 = ListLinePlot[Accumulate[Table[MangoldtLambda[ii], {ii, 1, nn}]]];
Show[g1, g2]