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 | 7 |
| 3 | 9 |
| 4 | 13 |
| 5 | 22 |
| 6 | 26 |
| 7 | 30 |
| 8 | 33 |
| 9 | 36 |
| 10 | 38 |
| 11 | 42 |
| 12 | 114 |
| 13 | 125 |
| 14 | 126 |
| 15 | 181 |
| 16 | 291 |
| 17 | 296 |
| 18 | 386 |
| 19 | 1415 |
| 20 | 2573 |
| 21 | 3727 |
| 22 | 5574 |
| 23 | 7523 |
| 24 | 8682 |
| 25 | 9765 |