A077514 - OEIS

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A077514 as a simple table

n	a(n)
2	29
3	399
4	4999
5	59999
6	699999
7	7999999
8	89999999
9	999999998
10	1099999999
11	11999999999
12	129999999999
13	1399999999999
14	14999999999999
15	159999999999999
16	1699999999999999
17	17999999999999999
18	189999999999999997

[29,399,4999,59999,699999,7999999,89999999, 999999998,1099999999,11999999999,129999999999, 1399999999999,14999999999999,159999999999999, 1699999999999999,17999999999999999, 189999999999999997]