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 | 23 |
| 2 | 89 |
| 3 | 47 |
| 4 | 178481 |
| 5 | 233 |
| 6 | 1103 |
| 7 | 2089 |
| 8 | 223 |
| 9 | 616318177 |
| 10 | 13367 |
| 11 | 164511353 |
| 12 | 431 |
| 13 | 9719 |
| 14 | 2099863 |
| 15 | 2351 |
| 16 | 4513 |
| 17 | 13264529 |
| 18 | 6361 |
| 19 | 69431 |
| 20 | 20394401 |
| 21 | 179951 |
| 22 | 3203431780337 |
| 23 | 193707721 |
| 24 | 761838257287 |
| 25 | 228479 |
| 26 | 48544121 |
| 27 | 212885833 |