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 | 49 |
| 2 | 5329 |
| 3 | 717409 |
| 4 | 106523041 |
| 5 | 16735820689 |
| 6 | 2727812288881 |
| 7 | 456250924320961 |
| 8 | 77788137919752001 |
| 9 | 13459803510972477169 |
| 10 | 2356471368269511061009 |
| 11 | 416518496068852312607521 |
| 12 | 74207592486779379593752801 |
| 13 | 13309569813247406938272432721 |
| 14 | 2400816685486139045360488325809 |