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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 10 |
| 6 | 20 |
| 7 | 26 |
| 8 | 722 |
| 9 | 1310 |
| 10 | 3170 |
| 11 | 28934 |
| 12 | 66284 |
| 13 | 67796 |
| 14 | 231254 |
| 15 | 338476 |