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 | 33 |
| 3 | 1056 |
| 4 | 33384 |
| 5 | 1048280 |
| 6 | 32797176 |
| 7 | 1023968632 |
| 8 | 31928050304 |
| 9 | 994658931028 |