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) |
|---|---|
| 0 | 11 |
| 1 | 37 |
| 2 | 13 |
| 3 | 41 |
| 4 | 14 |
| 5 | 8 |
| 6 | 18 |
| 7 | 6 |
| 8 | 2 |
| 9 | 7 |
| 10 | 3 |
| 11 | 1 |
| 12 | 241 |
| 13 | 3215 |
| 14 | 2392 |
| 15 | 35698 |
| 16 | 267345 |
| 17 | 893521 |
| 18 | 29831625 |
| 19 | 3232453125 |