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 | 6 |
| 2 | 10 |
| 3 | 42 |
| 4 | 138 |
| 5 | 626 |
| 6 | 1398 |
| 7 | 1596 |
| 8 | 1978 |
| 9 | 7808 |
| 10 | 14058 |
| 11 | 46498 |