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 | 6 |
| 3 | 14 |
| 4 | 32 |
| 5 | 69 |
| 6 | 156 |
| 7 | 377 |
| 8 | 855 |
| 9 | 2072 |
| 10 | 5131 |
| 11 | 12922 |
| 12 | 32619 |
| 13 | 83945 |
| 14 | 217305 |
| 15 | 571560 |
| 16 | 1517012 |
| 17 | 4056107 |