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A210720 as a simple table

n a(n)
1 33331
2 99991
3 242424241
4 404040401
5 454545451
6 464646461
7 494949491
8 525252521
9 575757571
10 737373731
11 787878781
12 949494941
13 1021021021021
14 1081081081081
15 1091091091091
16 1211211211211
17 1291291291291
18 1481481481481
19 1511511511511

[33331,99991,242424241,404040401,454545451,
 464646461,494949491,525252521,575757571,737373731,
 787878781,949494941,1021021021021,1081081081081,
 1091091091091,1211211211211,1291291291291,
 1481481481481,1511511511511]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)