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 | 3 |
| 3 | 16 |
| 4 | 183 |
| 5 | 4804 |
| 6 | 299558 |
| 7 | 45834625 |
| 8 | 17696744699 |
| 9 | 17644374475261 |
| 10 | 46279884666882734 |
| 11 | 324101360547203133793 |