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 | 5 |
| 4 | 14 |
| 5 | 41 |
| 6 | 122 |
| 7 | 367 |
| 8 | 1114 |
| 9 | 3423 |
| 10 | 10670 |
| 11 | 33841 |
| 12 | 109398 |
| 13 | 361045 |
| 14 | 1217346 |
| 15 | 4195267 |
| 16 | 14775986 |
| 17 | 53172411 |
| 18 | 195396310 |
| 19 | 732806677 |
| 20 | 2802898190 |
| 21 | 10926431393 |
| 22 | 43381582538 |
| 23 | 175311002903 |
| 24 | 720640632074 |
| 25 | 3011495745175 |
| 26 | 12786738800254 |