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 | 2 |
| 3 | 5 |
| 4 | 29 |
| 5 | 691 |
| 6 | 773 |
| 7 | 971 |
| 8 | 1009 |
| 9 | 2617 |
| 10 | 6079 |
| 11 | 15731 |
| 12 | 27073 |
| 13 | 37879 |
| 14 | 43789 |
| 15 | 55609 |