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A173485 as a simple table

na(n)
1100
21000
330000
4100000
51000000
630000000
7700000000
81000000000
990000000000
10100000000000
110
1230000000000000
130
147000000000000000
1530000000000000000

[100,1000,30000,100000,1000000,30000000,700000000,
 1000000000,90000000000,100000000000,0,
 30000000000000,0,7000000000000000,
 30000000000000000]