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 | 3912 |
| 2 | 86744 |
| 3 | 1995752 |
| 4 | 47572464 |
| 5 | 1138541280 |
| 6 | 27425792944 |
| 7 | 660346502176 |
| 8 | 15926642688032 |
| 9 | 383927816903616 |
| 10 | 9260294185296568 |
| 11 | 223295813816665920 |
| 12 | 5385580739872287984 |
| 13 | 129876262463016021256 |
| 14 | 3132320639165421379936 |