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 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 16 |
| 6 | 23 |
| 7 | 33 |
| 8 | 46 |
| 9 | 63 |
| 10 | 82 |
| 11 | 109 |
| 12 | 139 |
| 13 | 178 |
| 14 | 224 |
| 15 | 282 |
| 16 | 348 |
| 17 | 434 |
| 18 | 531 |
| 19 | 653 |
| 20 | 796 |
| 21 | 973 |
| 22 | 1176 |
| 23 | 1433 |
| 24 | 1725 |
| 25 | 2090 |