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 | 0 |
| 1 | 7 |
| 2 | 6272 |
| 3 | 750141 |
| 4 | 39337984 |
| 5 | 1313046875 |
| 6 | 32934190464 |
| 7 | 678223072849 |
| 8 | 12089663946752 |
| 9 | 193010051319183 |
| 10 | 2824752490000000 |
| 11 | 38532504363714053 |
| 12 | 495958345459089408 |
| 13 | 6079641716636816419 |
| 14 | 71493870602660352896 |