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 | 169 |
| 3 | 32761 |
| 4 | 6355441 |
| 5 | 1232922769 |
| 6 | 239180661721 |
| 7 | 46399815451081 |
| 8 | 9001325016847969 |
| 9 | 1746210653453054881 |
| 10 | 338755865444875798921 |
| 11 | 65716891685652451935769 |
| 12 | 12748738231151130799740241 |
| 13 | 2473189499951633722697670961 |
| 14 | 479786014252385791072548426169 |