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A241206 as a simple table

n a(n)
1 7
2 97
3 997
4 9949
5 99991
6 999979
7 9999991
8 99999989
9 999999929
10 9999999929
11 99999999599
12 999999999989
13 9999999999799
14 99999999999959
15 999999999999989
16 9999999999999199
17 99999999999999997
18 999999999999999989
19 9999999999999999919
20 99999999999999999989

[7,97,997,9949,99991,999979,9999991,99999989,
 999999929,9999999929,99999999599,999999999989,
 9999999999799,99999999999959,999999999999989,
 9999999999999199,99999999999999997,
 999999999999999989,9999999999999999919,
 99999999999999999989]

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Last modified March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)