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) |
|---|---|
| 2 | 1 |
| 3 | 15 |
| 4 | 181 |
| 5 | 1253 |
| 6 | 6044 |
| 7 | 22302 |
| 8 | 68661 |
| 9 | 183645 |
| 10 | 439578 |
| 11 | 964938 |
| 12 | 1974128 |
| 13 | 3801457 |
| 14 | 6966581 |