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 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 16 |
| 6 | 32 |
| 7 | 62 |
| 8 | 122 |
| 9 | 234 |
| 10 | 451 |
| 11 | 857 |
| 12 | 1630 |
| 13 | 3068 |
| 14 | 5772 |
| 15 | 10778 |
| 16 | 20093 |
| 17 | 37259 |