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 | 2 |
| 3 | 3 |
| 4 | 13 |
| 5 | 19 |
| 6 | 81 |
| 7 | 658 |
| 8 | 1009 |
| 9 | 1070 |
| 10 | 1731 |
| 11 | 2899 |
| 12 | 4237 |
| 13 | 5499 |
| 14 | 18628 |
| 15 | 28699 |
| 16 | 47026 |