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A087403 as a simple table

n a(n)
1 11
2 2221
3 31
4 41
5 555555555551
6 61
7 71
8 881
9 991
10 101
11 1111111111111111111
12 1212121
13 131
14 14141414141
15 151
16 1616161
17 1717171717171717171717171717171
18 181
19 191
20 20201
21 211

[11,2221,31,41,555555555551,61,71,881,991,101,
 1111111111111111111,1212121,131,14141414141,151,
 1616161,1717171717171717171717171717171,181,191,
 20201,211]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)