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A066655 as a simple table

na(n)
11
21
33
411
542
6176
7792
83718
917977
1089134
11451276
122323520
1312132164
1464112359
15342325709
161844349560
1710015581680
1854770336324
19301384802048
201667727404093
219275102575355
2251820051838712
23290726957916112
241637293969337171
259253082936723602

[1,1,3,11,42,176,792,3718,17977,89134,451276,
 2323520,12132164,64112359,342325709,1844349560,
 10015581680,54770336324,301384802048,
 1667727404093,9275102575355,51820051838712,
 290726957916112,1637293969337171,9253082936723602]