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A054421 as a simple table

na(n)
10
21
311
4102
5882
67295
758533
8459484
93547860
1027043405
11204016879
121526141666
1311336059046
1483703379691
15614911337833
164497505562616
1732769214114664
18237956784843737
191722809101653651
2012440161483566494
2189616141395864986
22644202131570116247

[0,1,11,102,882,7295,58533,459484,3547860,
 27043405,204016879,1526141666,11336059046,
 83703379691,614911337833,4497505562616,
 32769214114664,237956784843737,1722809101653651,
 12440161483566494,89616141395864986,
 644202131570116247]