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) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 6 |
| 3 | 132 |
| 4 | 3276 |
| 5 | 27132 |
| 6 | 1117116 |
| 7 | 111914712 |
| 8 | 6111417312 |
| 9 | 1113117121116 |
| 10 | 1112712811322112 |
| 11 | 11171121131111172 |