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A220581 as a simple table

na(n)
11
232
391
41441
58334
664497
7436288
83036588
921023792
10146254012
111011489196
127016643627
1348603225482
14336693889957
152332461879768
1616156948253940
17111913294295697
18775187951935208
195369332881497134
2037190288381188178

[1,32,91,1441,8334,64497,436288,3036588,21023792,
 146254012,1011489196,7016643627,48603225482,
 336693889957,2332461879768,16156948253940,
 111913294295697,775187951935208,5369332881497134,
 37190288381188178]