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 | 11 |
| 2 | 0 |
| 3 | 20 |
| 4 | 0 |
| 5 | 22 |
| 6 | 39 |
| 7 | 0 |
| 8 | 33 |
| 9 | 85 |
| 10 | 33 |
| 11 | 0 |
| 12 | 74 |
| 13 | 149 |
| 14 | 94 |
| 15 | 15 |
| 16 | 0 |
| 17 | 100 |
| 18 | 284 |
| 19 | 187 |
| 20 | 92 |
| 21 | 10 |
| 22 | 0 |