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 | 2 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 2 |
| 7 | 2 |
| 8 | 1 |
| 9 | 2 |
| 10 | 1 |
| 11 | 15 |
| 12 | 107 |
| 13 | 4536 |
| 14 | 9767531 |
| 15 | 119608113171152 |
| 16 | 27706455600364135685442345886 |
| 17 | 683882728856994887705617234665700899371621018916716222985 |