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A120667 as a simple table

na(n)
01
10
21
33
422
5225
63421
773668
82222977
993033615
105393456986
11433396737873
1248429436851577
137548123580987080
141646092439020192801
15503469306031901522043
16216430661498688457821022
17130959358877474026010486145
18111687660283090149155082836341

[1,0,1,3,22,225,3421,73668,2222977,93033615,
 5393456986,433396737873,48429436851577,
 7548123580987080,1646092439020192801,
 503469306031901522043,216430661498688457821022,
 130959358877474026010486145,
 111687660283090149155082836341]