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 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 16 |
| 6 | 32 |
| 7 | 48 |
| 8 | 96 |
| 9 | 144 |
| 10 | 288 |
| 11 | 576 |
| 12 | 1152 |
| 13 | 1216 |
| 14 | 2432 |
| 15 | 4736 |
| 16 | 9472 |
| 17 | 18688 |
| 18 | 37376 |
| 19 | 54272 |
| 20 | 108544 |
| 21 | 115712 |
| 22 | 231424 |
| 23 | 360448 |
| 24 | 720896 |
| 25 | 1384448 |
| 26 | 2768896 |
| 27 | 5537792 |
| 28 | 6889472 |
| 29 | 13778944 |
| 30 | 27557888 |
| 31 | 33177600 |
| 32 | 66355200 |
| 33 | 79495168 |
| 34 | 158990336 |