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 | 2 |
| 2 | 6 |
| 3 | 11 |
| 4 | 68 |
| 5 | 130 |
| 6 | 88 |
| 7 | 658 |
| 8 | 1339 |
| 9 | 1603 |
| 10 | 1603 |
| 11 | 2485 |
| 12 | 47261 |
| 13 | 7058 |
| 14 | 7058 |
| 15 | 69858 |
| 16 | 69858 |
| 17 | 62279 |
| 18 | 62279 |