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 | 5 |
| 2 | 7 |
| 3 | 21 |
| 4 | 33 |
| 5 | 153 |
| 6 | 167 |
| 7 | 171 |
| 8 | 391 |
| 9 | 789 |
| 10 | 1323 |
| 11 | 2645 |
| 12 | 8655 |
| 13 | 10153 |
| 14 | 39967 |
| 15 | 45369 |
| 16 | 47599 |