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 | 3 |
| 2 | 10 |
| 3 | 18 |
| 4 | 21 |
| 5 | 48 |
| 6 | 160 |
| 7 | 288 |
| 8 | 3252 |
| 9 | 9304 |
| 10 | 13965 |
| 11 | 68526 |
| 12 | 719631 |
| 13 | 1531101 |
| 14 | 1954782 |
| 15 | 28900572 |
| 16 | 39189195 |
| 17 | 14708055957 |