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 | 3 |
| 3 | 17 |
| 4 | 18 |
| 5 | 35 |
| 6 | 45 |
| 7 | 239 |
| 8 | 341 |
| 9 | 470 |
| 10 | 1180 |
| 11 | 1230 |
| 12 | 2205 |
| 13 | 5318 |
| 14 | 45652 |
| 15 | 68042 |
| 16 | 73350 |
| 17 | 119458 |
| 18 | 388804 |
| 19 | 475300 |
| 20 | 773496 |
| 21 | 836779 |
| 22 | 845397 |
| 23 | 1133816 |
| 24 | 2670010 |