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A020038 as a simple table

na(n)
01
11
21
32
49
541
6231
71528
811610
999850
10958562
1110160756
12117864768
131485096081
1420197306708
15294880677942
164600138575888
1776362300359740
181343976486331426
1924997962645764522
20489960067856984638

[1,1,1,2,9,41,231,1528,11610,99850,958562,
 10160756,117864768,1485096081,20197306708,
 294880677942,4600138575888,76362300359740,
 1343976486331426,24997962645764522,
 489960067856984638]