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A020077 as a simple table

na(n)
01
10
20
31
45
522
6122
7787
85852
949330
10465112
114850460
1255433829
13688963306
149251792972
15133490155743
162059562402902
1733835668047686
18589707357402530
1910867464157846629
20211139303638163096
214313274345751046120

[1,0,0,1,5,22,122,787,5852,49330,465112,4850460,
 55433829,688963306,9251792972,133490155743,
 2059562402902,33835668047686,589707357402530,
 10867464157846629,211139303638163096,
 4313274345751046120]