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 | 7 |
| 3 | 15 |
| 4 | 292 |
| 5 | 436 |
| 6 | 20776 |
| 7 | 78629 |
| 8 | 179136 |
| 9 | 528210 |
| 10 | 12996958 |
| 11 | 878783625 |
| 12 | 5408240597 |
| 13 | 5916686112 |
| 14 | 9448623833 |
| 15 | 9787547328 |
| 16 | 52662113289 |