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A173484 as a simple table

na(n)
1100
21000
330000
4100000
51000000
630000000
7700000000
81000000000
990000000000
10100000000000
1111000000000000
1230000000000000
131300000000000000
147000000000000000
1530000000000000000

[100,1000,30000,100000,1000000,30000000,700000000,
 1000000000,90000000000,100000000000,
 11000000000000,30000000000000,1300000000000000,
 7000000000000000,30000000000000000]