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 | 10 |
| 6 | 12 |
| 7 | 24 |
| 8 | 40 |
| 9 | 48 |
| 10 | 56 |
| 11 | 128 |
| 12 | 144 |
| 13 | 192 |
| 14 | 256 |
| 15 | 384 |
| 16 | 480 |
| 17 | 576 |
| 18 | 768 |
| 19 | 1536 |
| 20 | 4608 |
| 21 | 6144 |
| 22 | 6912 |
| 23 | 15360 |
| 24 | 36864 |
| 25 | 294912 |