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 | 1 |
| 1 | 55 |
| 2 | 87362 |
| 3 | 54003765 |
| 4 | 43402320448 |
| 5 | 32567565264292 |
| 6 | 24976513162427653 |
| 7 | 19056798015394695543 |
| 8 | 14569902220123180849570 |
| 9 | 11135886394033736561250816 |
| 10 | 8513244230416326065909810345 |
| 11 | 6508281831123403112229534915956 |
| 12 | 4975689584055269435866523080540937 |