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A181581 as a simple table

na(n)
01
19
281
3801
48002
580001
6800001
78000002
880000003
9800000003
108000000003
1180000000003
12800000000002
138000000000003
1480000000000004
150
160
170
18800000000000000004
198000000000000000003
200
21800000000000000000005
228000000000000000000006
230

[1,9,81,801,8002,80001,800001,8000002,80000003,
 800000003,8000000003,80000000003,800000000002,
 8000000000003,80000000000004,0,0,0,
 800000000000000004,8000000000000000003,0,
 800000000000000000005,8000000000000000000006,0]