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 | 3 |
| 4 | 10 |
| 5 | 27 |
| 6 | 98 |
| 7 | 120 |
| 8 | 327 |
| 9 | 196745 |
| 10 | 277248 |
| 11 | 312987 |
| 12 | 405769 |
| 13 | 456300 |
| 14 | 575532 |
| 15 | 702219 |