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A308803 as a simple table

n a(n)
1 9
2 0
3 999
4 9009
5 99999
6 906609
7 9999999
8 99000099
9 999969999
10 9966006699
11 99999999999
12 999000000999
13 9999998999999
14 99956644665999
15 999999999999999
16 9999000000009999
17 99999999799999999
18 999900665566009999
19 9999999997999999999
20 99999834000043899999
21 999999999999999999999
22 9999994020000204999999
23 99999999999899999999999 

[9,0,999,9009,99999,906609,9999999,99000099,
 999969999,9966006699,99999999999,999000000999,
 9999998999999,99956644665999,999999999999999,
 9999000000009999,99999999799999999,
 999900665566009999,9999999997999999999,
 99999834000043899999,999999999999999999999,
 9999994020000204999999,99999999999899999999999]

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Last modified September 1 17:50 EDT 2024. Contains 375592 sequences. (Running on oeis4.)