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A083393 as a simple table

na(n)
12
23
35
47
511
6101
7111
8131
9151
10191
11212
12232
13272
14292
15313
16353
17373
18434
19454
20494
21515
22535
23575
24595
25616
26656
27676
28737
29757
30797
31818
32838
33878
34919
35959
361001
3710001
3810101
3910301
4010501
4110901
4211111
4311311
4411711
4511911
4612121
4712521
4812721

[2,3,5,7,11,101,111,131,151,191,212,232,272,292,
 313,353,373,434,454,494,515,535,575,595,616,656,
 676,737,757,797,818,838,878,919,959,1001,10001,
 10101,10301,10501,10901,11111,11311,11711,11911,
 12121,12521,12721]