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 | 22 |
| 2 | 84 |
| 3 | 12955 |
| 4 | 291090 |
| 5 | 9538589 |
| 6 | 3541285143 |
| 7 | 136063250955 |
| 8 | 253282144742 |