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 | 144 |
| 2 | 185164 |
| 3 | 229006550 |
| 4 | 282454178707 |
| 5 | 348270153038959 |
| 6 | 429398881440049645 |
| 7 | 529420758866821620887 |