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 | 24 |
| 6 | 48 |
| 7 | 144 |
| 8 | 288 |
| 9 | 576 |
| 10 | 1152 |
| 11 | 2304 |
| 12 | 3456 |
| 13 | 4608 |
| 14 | 9216 |
| 15 | 11520 |
| 16 | 16128 |
| 17 | 18432 |
| 18 | 20736 |
| 19 | 25344 |
| 20 | 29952 |
| 21 | 36864 |
| 22 | 39168 |
| 23 | 43776 |
| 24 | 52992 |
| 25 | 59904 |
| 26 | 66816 |
| 27 | 85248 |
| 28 | 99072 |
| 29 | 108288 |