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 | 1 |
| 4 | 3 |
| 5 | 4 |
| 6 | 4095 |
| 7 | 1 |
| 8 | 3 |
| 9 | 3 |
| 10 | 1 |
| 11 | 3 |
| 12 | 4722366482869645213695 |
| 13 | 1 |
| 14 | 2 |
| 15 | 1 |
| 16 | 3 |
| 17 | 3 |
| 18 | 1 |
| 19 | 4095 |
| 20 | 4 |
| 21 | 3 |
| 22 | 1 |
| 23 | 3 |
| 24 | 3121748550315992231381597229793166305748598142664971150859156959625371738819765620120306103063491971159826931121406622895447975679288285306290175 |