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 | 5 |
| 3 | 11 |
| 4 | 15 |
| 5 | 51 |
| 6 | 69 |
| 7 | 99 |
| 8 | 227 |
| 9 | 381 |
| 10 | 537 |
| 11 | 9135 |
| 12 | 9737 |
| 13 | 58437 |
| 14 | 105567 |
| 15 | 121779 |
| 16 | 123645 |