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 | 1 |
| 3 | 43 |
| 4 | 169 |
| 5 | 227 |
| 6 | 735 |
| 7 | 10664 |
| 8 | 14702 |
| 9 | 78159 |
| 10 | 5431210 |
| 11 | 8350707565 |