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 | 2 |
| 3 | 7 |
| 4 | 22 |
| 5 | 79 |
| 6 | 289 |
| 7 | 1145 |
| 8 | 4655 |
| 9 | 19314 |
| 10 | 81242 |
| 11 | 345785 |
| 12 | 1484065 |
| 13 | 6414999 |
| 14 | 27895652 |