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 | 6 |
| 2 | 35 |
| 3 | 341 |
| 4 | 2159 |
| 5 | 6160337 |
| 6 | 27787211 |
| 7 | 191126044583 |
| 8 | 412745898649251217229 |
| 9 | 162789115166027506149234835193 |
| 10 | 51436190754860636195130229261336259 |