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 | 0 |
| 2 | 1172 |
| 3 | 10660 |
| 4 | 106793 |
| 5 | 2320879 |
| 6 | 35549458 |
| 7 | 637088915 |
| 8 | 11181864782 |
| 9 | 188509564214 |
| 10 | 3339792969770 |
| 11 | 57406756149300 |
| 12 | 997632805281762 |
| 13 | 17363763785624592 |
| 14 | 300575131517843683 |
| 15 | 5229363965628293685 |
| 16 | 90736499929821199253 |