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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 6 |
| 5 | 27 |
| 6 | 47 |
| 7 | 66 |
| 8 | 77 |
| 9 | 83 |
| 10 | 105 |
| 11 | 197 |
| 12 | 231 |
| 13 | 293 |
| 14 | 702 |
| 15 | 1692 |
| 16 | 3021 |
| 17 | 6270 |
| 18 | 6897 |
| 19 | 7733 |
| 20 | 14537 |
| 21 | 15797 |
| 22 | 21083 |
| 23 | 21276 |
| 24 | 28817 |
| 25 | 65430 |
| 26 | 111231 |
| 27 | 137405 |
| 28 | 141017 |
| 29 | 185225 |