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 | 34 |
| 3 | 1064 |
| 4 | 90707 |
| 5 | 11889152 |
| 6 | 2617716748 |
| 7 | 781252097152 |
| 8 | 320058240313028 |
| 9 | 167630129865661440 |
| 10 | 110581271670766466804 |
| 11 | 89116503268963605948416 |
| 12 | 86403662577880534613564934 |
| 13 | 99045780329060163714773254144 |