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 | 1143 |
| 2 | 4382 |
| 3 | 4943 |
| 4 | 24941511 |
| 5 | 25058558 |
| 6 | 94090583 |
| 7 | 616729341438 |
| 8 | 638432642423 |
| 9 | 978717194478 |
| 10 | 994009005983 |
| 11 | 1636200161363007 |
| 12 | 1710661666314798 |
| 13 | 1805005185949007 |
| 14 | 1906479843038783 |
| 15 | 1986790648039982 |
| 16 | 3072104679280383 |