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A352160 as a simple table

na(n)
115
2150
31500
415000
5103125
6150000
71031250
81500000
910312500
1015000000
11103125000
12130078125
13150000000
141031250000
151300781250
161500000000
1710312500000

[15,150,1500,15000,103125,150000,1031250,1500000,
 10312500,15000000,103125000,130078125,150000000,
 1031250000,1300781250,1500000000,10312500000]