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A083980 as a simple table

n a(n)
1 191
2 919
3 19991
4 1993991
5 9199919
6 199909991
7 199999991
8 90999599909
9 95999999959
10 99999199999
11 9599999999959
12 199999959999991
13 959999999999959
14 39999999299999993
15 94999999999999949
16 99999999299999999
17 9299999999999999929
18 9999999992999999999 

[191,919,19991,1993991,9199919,199909991,
 199999991,90999599909,95999999959,99999199999,
 9599999999959,199999959999991,959999999999959,
 39999999299999993,94999999999999949,
 99999999299999999,9299999999999999929,
 9999999992999999999]

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Last modified September 9 09:37 EDT 2024. Contains 375764 sequences. (Running on oeis4.)