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A075843 as a simple table

na(n)
00
11
220
3399
47960
5158801
63168060
763202399
81260879920
925154396001
10501827040100
1110011386405999
12199725901079880
133984506635191601
1479490406802752140
151585823629419851199
1631636982181594271840

[0,1,20,399,7960,158801,3168060,63202399,
 1260879920,25154396001,501827040100,
 10011386405999,199725901079880,3984506635191601,
 79490406802752140,1585823629419851199,
 31636982181594271840]