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 | 1 |
| 3 | 7 |
| 4 | 4831 |
| 5 | 3673 |
| 6 | 16349 |
| 7 | 5240507 |
| 8 | 4159 |
| 9 | 83 |
| 10 | 3911 |
| 11 | 401 |
| 12 | 61 |
| 13 | 66935021479 |
| 14 | 199 |
| 15 | 73 |
| 16 | 152249 |
| 17 | 379 |
| 18 | 5014363 |
| 19 | 181 |
| 20 | 191 |
| 21 | 277 |
| 22 | 155893 |
| 23 | 35851 |
| 24 | 431 |
| 25 | 1499 |