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 | 524289 |
| 3 | 1162261468 |
| 4 | 274878431233 |
| 5 | 19073486328126 |
| 6 | 609360902796252 |
| 7 | 11398895185373144 |
| 8 | 144115462954287105 |
| 9 | 1350851718835253557 |
| 10 | 10000019073486852414 |
| 11 | 61159090448414546292 |
| 12 | 319480609006403630044 |
| 13 | 1461920290375446110678 |
| 14 | 5976315357844100294616 |