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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 9 |
| 5 | 12 |
| 6 | 22 |
| 7 | 26 |
| 8 | 30 |
| 9 | 34 |
| 10 | 51 |
| 11 | 54 |
| 12 | 100 |
| 13 | 125 |
| 14 | 155 |
| 15 | 168 |
| 16 | 173 |
| 17 | 220 |
| 18 | 401 |
| 19 | 494 |
| 20 | 2161 |
| 21 | 2539 |
| 22 | 2866 |
| 23 | 7625 |
| 24 | 9644 |
| 25 | 12099 |
| 26 | 13470 |
| 27 | 16078 |
| 28 | 18587 |
| 29 | 30075 |
| 30 | 37067 |