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 | 8 |
| 3 | 24 |
| 4 | 64 |
| 5 | 192 |
| 6 | 768 |
| 7 | 3584 |
| 8 | 16384 |
| 9 | 69632 |
| 10 | 278528 |
| 11 | 1081344 |
| 12 | 4194304 |
| 13 | 16515072 |
| 14 | 66060288 |
| 15 | 266338304 |
| 16 | 1073741824 |
| 17 | 4311744512 |
| 18 | 17246978048 |
| 19 | 68853694464 |
| 20 | 274877906944 |
| 21 | 1098437885952 |
| 22 | 4393751543808 |
| 23 | 17583596109824 |
| 24 | 70368744177664 |
| 25 | 281543696187392 |
| 26 | 1126174784749568 |