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 | 0 |
| 2 | 68 |
| 3 | 483 |
| 4 | 6716 |
| 5 | 33394 |
| 6 | 569540 |
| 7 | 1075656 |
| 8 | 36432643 |
| 9 | 172484538 |
| 10 | 5918289042 |
| 11 | 56377726040 |