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) |
|---|---|
| 0 | 3 |
| 1 | 3 |
| 2 | 27 |
| 3 | 11 |
| 4 | 63 |
| 5 | 21 |
| 6 | 51 |
| 7 | 17 |
| 8 | 813 |
| 9 | 377 |
| 10 | 7017 |
| 11 | 27381 |
| 12 | 7763 |
| 13 | 1133 |
| 14 | 119387 |
| 15 | 67347 |
| 16 | 121877 |