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 | 46 |
| 3 | 135 |
| 4 | 600 |
| 5 | 1165 |
| 6 | 1649 |
| 7 | 5733 |
| 8 | 6788 |
| 9 | 6828 |
| 10 | 9734 |
| 11 | 29686 |
| 12 | 363141 |
| 13 | 1542049 |