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 | 0 |
| 2 | 16 |
| 3 | 17 |
| 4 | 47 |
| 5 | 49 |
| 6 | 41 |
| 7 | 146 |
| 8 | 274 |
| 9 | 76 |
| 10 | 468 |
| 11 | 1622 |
| 12 | 4381 |
| 13 | 2961 |
| 14 | 12799 |
| 15 | 4292 |
| 16 | 28493 |
| 17 | 34597 |
| 18 | 16276 |