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 | 35 |
| 3 | 455 |
| 4 | 8645 |
| 5 | 267995 |
| 6 | 11523785 |
| 7 | 702950885 |
| 8 | 51315414605 |
| 9 | 5285487704315 |
| 10 | 576118159770335 |
| 11 | 80080424208076565 |
| 12 | 12092144055419561315 |
| 13 | 2188678074030940598015 |
| 14 | 422414868287971535416895 |