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 | 57 |
| 2 | 86 |
| 3 | 3158 |
| 4 | 43334 |
| 5 | 246447 |
| 6 | 16356517 |
| 7 | 8948286 |
| 8 | 4440651544 |
| 9 | 16289328667 |
| 10 | 823364779064 |
| 11 | 14477789385971 |
| 12 | 90048163451447 |