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 | 0 |
| 2 | 1 |
| 3 | 7 |
| 4 | 8 |
| 5 | 49 |
| 6 | 148 |
| 7 | 344 |
| 8 | 2401 |
| 9 | 36016 |
| 10 | 151264 |
| 11 | 386561 |
| 12 | 1764736 |
| 13 | 5764801 |
| 14 | 46941952 |
| 15 | 58471553 |
| 16 | 374712065 |
| 17 | 1101076992 |
| 18 | 4802079233 |
| 19 | 15858967552 |
| 20 | 139825248256 |
| 21 | 149429406721 |
| 22 | 1595702681601 |
| 23 | 2453862488064 |
| 24 | 14602557997056 |
| 25 | 42091354378241 |
| 26 | 127990382747648 |