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 | 6 |
| 3 | 83 |
| 4 | 1058 |
| 5 | 10515 |
| 6 | 94474 |
| 7 | 794880 |
| 8 | 7015673 |
| 9 | 67241571 |
| 10 | 667465566 |
| 11 | 6667690837 |