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) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 8 |
| 3 | 16 |
| 4 | 32 |
| 5 | 54 |
| 6 | 100 |
| 7 | 182 |
| 8 | 328 |
| 9 | 494 |
| 10 | 984 |
| 11 | 1572 |
| 12 | 2656 |
| 13 | 4212 |
| 14 | 8162 |
| 15 | 11176 |
| 16 | 21704 |
| 17 | 30994 |
| 18 | 60548 |