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 | 1 |
| 2 | 32 |
| 3 | 414 |
| 4 | 5382 |
| 5 | 79384 |
| 6 | 1262816 |
| 7 | 20562673 |
| 8 | 336067810 |
| 9 | 5493330332 |
| 10 | 89803472792 |
| 11 | 1468381290905 |
| 12 | 24012936982592 |
| 13 | 392716580997352 |
| 14 | 6422777815120738 |
| 15 | 105043595925333255 |
| 16 | 1717976646746942760 |