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 | 4 |
| 4 | 5 |
| 5 | 6 |
| 6 | 7 |
| 7 | 8 |
| 8 | 12 |
| 9 | 23 |
| 10 | 25 |
| 11 | 31 |
| 12 | 57 |
| 13 | 74 |
| 14 | 86 |
| 15 | 140 |
| 16 | 240 |
| 17 | 310 |
| 18 | 703 |
| 19 | 713 |
| 20 | 796 |
| 21 | 1028 |
| 22 | 1102 |
| 23 | 1924 |
| 24 | 3469 |
| 25 | 3990 |