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A177109 as a simple table

na(n)
120
2380
33980
439980
5399980
63999980
739999980
8399999980
93999999980
1039999999980
11399999999980
123999999999980
1339999999999980
14399999999999980
153999999999999980
1639999999999999980
17399999999999999980

[20,380,3980,39980,399980,3999980,39999980,
 399999980,3999999980,39999999980,399999999980,
 3999999999980,39999999999980,399999999999980,
 3999999999999980,39999999999999980,
 399999999999999980]