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 | 8 |
| 5 | 9 |
| 6 | 15 |
| 7 | 20 |
| 8 | 24 |
| 9 | 41 |
| 10 | 63 |
| 11 | 66 |
| 12 | 99 |
| 13 | 281 |
| 14 | 300 |
| 15 | 462 |
| 16 | 686 |
| 17 | 726 |
| 18 | 1196 |
| 19 | 1574 |
| 20 | 2543 |
| 21 | 3023 |
| 22 | 5322 |
| 23 | 12161 |
| 24 | 13677 |
| 25 | 33797 |
| 26 | 137633 |