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) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 90 |
| 3 | 719 |
| 4 | 6696 |
| 5 | 60845 |
| 6 | 554933 |
| 7 | 4742037 |
| 8 | 43331008 |
| 9 | 392875212 |
| 10 | 3573268469 |
| 11 | 31207451849 |
| 12 | 282765603085 |