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 | 26 |
| 4 | 48 |
| 5 | 108 |
| 6 | 292 |
| 7 | 6471 |
| 8 | 8147 |
| 9 | 20745 |
| 10 | 30803 |
| 11 | 38806 |
| 12 | 79760 |
| 13 | 254050 |