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A020128 as a simple table

na(n)
01
11
21
33
49
542
6232
71528
811611
999851
10958562
1110160756
12117864769
131485096082
1420197306709
15294880677942
164600138575888
1776362300359741
181343976486331426
1924997962645764523
20489960067856984639

[1,1,1,3,9,42,232,1528,11611,99851,958562,
 10160756,117864769,1485096082,20197306709,
 294880677942,4600138575888,76362300359741,
 1343976486331426,24997962645764523,
 489960067856984639]