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 | 2 |
| 2 | 29 |
| 3 | 89 |
| 4 | 229 |
| 5 | 809 |
| 6 | 829 |
| 7 | 929 |
| 8 | 2029 |
| 9 | 2089 |
| 10 | 2099 |
| 11 | 2909 |
| 12 | 2999 |
| 13 | 8009 |
| 14 | 8089 |
| 15 | 8209 |
| 16 | 8929 |
| 17 | 8999 |
| 18 | 9029 |
| 19 | 9209 |
| 20 | 9829 |
| 21 | 9929 |
| 22 | 20029 |
| 23 | 20089 |
| 24 | 20809 |
| 25 | 20899 |
| 26 | 20929 |
| 27 | 22229 |
| 28 | 28099 |
| 29 | 28229 |
| 30 | 28289 |
| 31 | 28909 |
| 32 | 29009 |
| 33 | 29209 |
| 34 | 29989 |
| 35 | 80209 |
| 36 | 80809 |
| 37 | 80909 |
| 38 | 80929 |
| 39 | 80989 |
| 40 | 82009 |
| 41 | 82889 |
| 42 | 88289 |