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 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 65 |
| 6 | 71 |
| 7 | 225 |
| 8 | 269 |
| 9 | 651 |
| 10 | 843 |
| 11 | 1971 |
| 12 | 4851 |
| 13 | 13667 |
| 14 | 13961 |
| 15 | 33309 |
| 16 | 168111 |