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 | 3 |
| 2 | 4 |
| 3 | 5 |
| 4 | 6 |
| 5 | 9 |
| 6 | 31 |
| 7 | 41 |
| 8 | 373 |
| 9 | 589 |
| 10 | 812 |
| 11 | 989 |
| 12 | 1115 |
| 13 | 1488 |
| 14 | 1864 |
| 15 | 1918 |
| 16 | 4412 |
| 17 | 4686 |
| 18 | 5821 |
| 19 | 13830 |