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 | 5 |
| 2 | 15 |
| 3 | 1115 |
| 4 | 3115 |
| 5 | 132115 |
| 6 | 1113122115 |
| 7 | 311311222115 |
| 8 | 13211321322115 |
| 9 | 1113122113121113222115 |
| 10 | 31131122211311123113322115 |
| 11 | 132113213221133112132123222115 |