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 | 3 |
| 2 | 4 |
| 3 | 8 |
| 4 | 9 |
| 5 | 16 |
| 6 | 25 |
| 7 | 33 |
| 8 | 40 |
| 9 | 116 |
| 10 | 201 |
| 11 | 208 |
| 12 | 504 |
| 13 | 579 |
| 14 | 964 |
| 15 | 1060 |
| 16 | 1160 |
| 17 | 1508 |
| 18 | 1969 |
| 19 | 4615 |
| 20 | 7311 |
| 21 | 65964 |
| 22 | 83121 |
| 23 | 87396 |