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 | 11 |
| 6 | 14 |
| 7 | 16 |
| 8 | 17 |
| 9 | 18 |
| 10 | 20 |
| 11 | 43 |
| 12 | 50 |
| 13 | 55 |
| 14 | 59 |
| 15 | 171 |
| 16 | 461 |
| 17 | 859 |
| 18 | 2830 |
| 19 | 3818 |
| 20 | 5421 |
| 21 | 5593 |
| 22 | 10118 |
| 23 | 10880 |
| 24 | 24350 |