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 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 6 |
| 5 | 6 |
| 6 | 18362 |
| 7 | 2914913 |
| 8 | 10780552 |
| 9 | 1829413731 |
| 10 | 1676641682 |
| 11 | 21487725800101 |
| 12 | 22755817971366481 |
| 13 | 107271326364325201 |
| 14 | 7272877497848202226 |