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 | 7 |
| 1 | 6 |
| 2 | 8 |
| 3 | 57 |
| 4 | 50 |
| 5 | 2801 |
| 6 | 43 |
| 7 | 137257 |
| 8 | 2402 |
| 9 | 117993 |
| 10 | 2101 |
| 11 | 329554457 |
| 12 | 2353 |
| 13 | 16148168401 |
| 14 | 102943 |
| 15 | 4956001 |
| 16 | 5764802 |
| 17 | 38771752331201 |
| 18 | 117307 |
| 19 | 1899815864228857 |
| 20 | 5649505 |
| 21 | 11898664849 |
| 22 | 247165843 |
| 23 | 4561457890013486057 |
| 24 | 5762401 |
| 25 | 79797014141614001 |
| 26 | 12111126301 |
| 27 | 1628413638264057 |