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 | 1 |
| 3 | 5 |
| 4 | 16 |
| 5 | 62 |
| 6 | 276 |
| 7 | 1222 |
| 8 | 5563 |
| 9 | 25805 |
| 10 | 120909 |
| 11 | 572011 |
| 12 | 2727485 |
| 13 | 13089106 |
| 14 | 63164265 |