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 | 14 |
| 3 | 27 |
| 4 | 154 |
| 5 | 284 |
| 6 | 574 |
| 7 | 1264 |
| 8 | 2588 |
| 9 | 7288 |
| 10 | 49852 |
| 11 | 2342656 |
| 12 | 33550336 |
| 13 | 8589869056 |