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A020021 as a simple table

na(n)
01
11
21
32
48
536
6199
71303
89844
984217
10804738
118494461
1298158214
131232430908
1416706285647
15243169268857
163782633071104
1762623591954943
181099391947653438
1920399828362013787
20398929976857158503

[1,1,1,2,8,36,199,1303,9844,84217,804738,8494461,
 98158214,1232430908,16706285647,243169268857,
 3782633071104,62623591954943,1099391947653438,
 20399828362013787,398929976857158503]