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 | 16 |
| 3 | 241 |
| 4 | 3616 |
| 5 | 54241 |
| 6 | 813616 |
| 7 | 12204241 |
| 8 | 183063616 |
| 9 | 2745954241 |
| 10 | 41189313616 |
| 11 | 617839704241 |
| 12 | 9267595563616 |
| 13 | 139013933454241 |
| 14 | 2085209001813616 |
| 15 | 31278135027204241 |
| 16 | 469172025408063616 |
| 17 | 7037580381120954241 |
| 18 | 105563705716814313616 |
| 19 | 1583455585752214704241 |