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 | 3 |
| 3 | 196 |
| 4 | 2352 |
| 5 | 549081 |
| 6 | 14825187 |
| 7 | 7573176576 |
| 8 | 363512475648 |
| 9 | 326470872935025 |
| 10 | 24485315470126875 |
| 11 | 34169385402567926784 |
| 12 | 3690293623477336092672 |
| 13 | 7392237545597804070571449 |
| 14 | 1086658919202877198374003003 |