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A137018 as a simple table

n a(n)
1 1
2 9
3 11
4 17
5 27
6 89
7 91
8 911
9 989
10 2777
11 2827
12 2877
13 9911
14 27877
15 28127
16 88189
17 88277
18 88877
19 98989
20 99891
21 172891
22 279127
23 282827
24 287891
25 988877
26 2879189
27 9989891
28 9998891
29 29711811
30 87919777
31 88978189
32 99899891
33 112818127
34 277817777
35 277871911
36 277987917
37 278781777
38 279781911
39 287919777
40 888812811
41 1727112877
42 2778718989

[1,9,11,17,27,89,91,911,989,2777,2827,2877,9911,
 27877,28127,88189,88277,88877,98989,99891,172891,
 279127,282827,287891,988877,2879189,9989891,
 9998891,29711811,87919777,88978189,99899891,
 112818127,277817777,277871911,277987917,278781777,
 279781911,287919777,888812811,1727112877,
 2778718989]

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Last modified October 18 23:02 EDT 2021. Contains 348070 sequences. (Running on oeis4.)