A177074 - OEIS

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A177074 as a simple table

n	a(n)
1	15
2	285
3	2985
4	29985
5	299985
6	2999985
7	29999985
8	299999985
9	2999999985
10	29999999985
11	299999999985
12	2999999999985
13	29999999999985
14	299999999999985
15	2999999999999985
16	29999999999999985
17	299999999999999985

[15,285,2985,29985,299985,2999985,29999985, 299999985,2999999985,29999999985,299999999985, 2999999999985,29999999999985,299999999999985, 2999999999999985,29999999999999985, 299999999999999985]