This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 910109 |
| 2 | 913139 |
| 3 | 916169 |
| 4 | 917179 |
| 5 | 920209 |
| 6 | 923239 |
| 7 | 928289 |
| 8 | 931319 |
| 9 | 935359 |
| 10 | 937379 |
| 11 | 946469 |
| 12 | 953539 |
| 13 | 956569 |
| 14 | 961619 |
| 15 | 965659 |
| 16 | 968689 |
| 17 | 974749 |
| 18 | 982829 |
| 19 | 994949 |
| 20 | 995959 |
| 21 | 998989 |
| 22 | 9101010109 |
| 23 | 9101310139 |
| 24 | 9101810189 |
| 25 | 9104210429 |
| 26 | 9104810489 |