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 | 5 |
| 3 | 8 |
| 4 | 17 |
| 5 | 20 |
| 6 | 60 |
| 7 | 160 |
| 8 | 228 |
| 9 | 318 |
| 10 | 362 |
| 11 | 522 |
| 12 | 1638 |
| 13 | 1692 |
| 14 | 1998 |
| 15 | 2054 |
| 16 | 3834 |
| 17 | 5208 |
| 18 | 21210 |
| 19 | 62810 |
| 20 | 152352 |
| 21 | 170168 |
| 22 | 424784 |