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 | 336 |
| 2 | 3288 |
| 3 | 58752 |
| 4 | 971844 |
| 5 | 15547380 |
| 6 | 242861616 |
| 7 | 3726221592 |
| 8 | 56376679620 |
| 9 | 843461153880 |
| 10 | 12504078167988 |
| 11 | 183960496250712 |
| 12 | 2689028139554232 |
| 13 | 39089999874219540 |
| 14 | 565531265339620620 |
| 15 | 8147584788387401052 |