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 | 4 |
| 2 | 5 |
| 3 | 7 |
| 4 | 8 |
| 5 | 9 |
| 6 | 13 |
| 7 | 15 |
| 8 | 52 |
| 9 | 82 |
| 10 | 134 |
| 11 | 216 |
| 12 | 341 |
| 13 | 538 |
| 14 | 1414 |
| 15 | 17306 |
| 16 | 17582 |