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 | 6 |
| 4 | 8 |
| 5 | 9 |
| 6 | 10 |
| 7 | 18 |
| 8 | 21 |
| 9 | 23 |
| 10 | 26 |
| 11 | 46 |
| 12 | 70 |
| 13 | 83 |
| 14 | 156 |
| 15 | 553 |
| 16 | 591 |
| 17 | 741 |
| 18 | 790 |
| 19 | 1430 |
| 20 | 2139 |
| 21 | 5509 |
| 22 | 11429 |
| 23 | 11881 |
| 24 | 14343 |