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 | 7 |
| 3 | 19 |
| 4 | 42 |
| 5 | 116 |
| 6 | 292 |
| 7 | 791 |
| 8 | 2085 |
| 9 | 5692 |
| 10 | 15482 |
| 11 | 42709 |
| 12 | 118272 |
| 13 | 329891 |
| 14 | 923905 |
| 15 | 2600458 |
| 16 | 7344965 |
| 17 | 20818129 |