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 | 11 |
| 3 | 15 |
| 4 | 17 |
| 5 | 27 |
| 6 | 51 |
| 7 | 57 |
| 8 | 71 |
| 9 | 117 |
| 10 | 2073 |
| 11 | 6251 |
| 12 | 13671 |
| 13 | 14217 |
| 14 | 14627 |
| 15 | 396128 |