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A074571 as a simple table

na(n)
03
118
2110
3684
44322
527708
6179930
71181604
87835042
952384428
10352707050
112388951924
1216262210162
13111170407548
14762690752570
155248264072644
1636206628367682
17250320112885068
181733788251844490
1912027328411711764

[3,18,110,684,4322,27708,179930,1181604,7835042,
 52384428,352707050,2388951924,16262210162,
 111170407548,762690752570,5248264072644,
 36206628367682,250320112885068,1733788251844490,
 12027328411711764]