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 | 2 |
| 2 | 4 |
| 3 | 22 |
| 4 | 63 |
| 5 | 4202 |
| 6 | 4246 |
| 7 | 444886 |
| 8 | 1161238 |
| 9 | 9362914 |
| 10 | 26996486 |
| 11 | 545614671 |
| 12 | 1640386293 |
| 13 | 2242930954 |
| 14 | 2243031802 |
| 15 | 2243065418 |
| 16 | 2243115842 |
| 17 | 18000691527 |