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 | 4 |
| 4 | 7 |
| 5 | 31 |
| 6 | 36 |
| 7 | 756 |
| 8 | 861 |
| 9 | 3101 |
| 10 | 3290 |
| 11 | 3632090 |
| 12 | 3632475 |
| 13 | 482634075 |
| 14 | 482653380 |
| 15 | 483550276 |
| 16 | 485577301 |
| 17 | 20923275465301 |
| 18 | 20923275550386 |
| 19 | 6423296981278386 |
| 20 | 6423296990008107 |
| 21 | 6423344287544107 |
| 22 | 6423345537481432 |
| 23 | 1124007151123145161432 |
| 24 | 1124007151123182343577 |