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A120050 as a simple table

na(n)
00
10
20
32
447
5671
68491
7101787
81180751
913377156
10148930536
111636170477
1217787688377
13191742524399
142052389350029

[0,0,0,2,47,671,8491,101787,1180751,13377156,
 148930536,1636170477,17787688377,191742524399,
 2052389350029]