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A372010 as a simple table

n a(n)
1 1
2 19
3 109
4 1099
5 10099
6 100999
7 1000999
8 10009999
9 100009999
10 1000099999
11 10000099999
12 100000999999
13 1000000999999
14 10000009999999
15 100000009999999
16 1000000099999999
17 10000000099999999
18 100000000999999999
19 1000000000999999999
20 10000000009999999999
21 100000000009999999999 

[1,19,109,1099,10099,100999,1000999,10009999,
 100009999,1000099999,10000099999,100000999999,
 1000000999999,10000009999999,100000009999999,
 1000000099999999,10000000099999999,
 100000000999999999,1000000000999999999,
 10000000009999999999,100000000009999999999]

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Last modified July 11 05:11 EDT 2024. Contains 374216 sequences. (Running on oeis4.)