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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 11 |
| 5 | 18 |
| 6 | 25 |
| 7 | 60 |
| 8 | 71 |
| 9 | 85 |
| 10 | 168 |
| 11 | 285 |
| 12 | 627 |
| 13 | 872 |
| 14 | 1092 |
| 15 | 1101 |
| 16 | 1169 |
| 17 | 1974 |
| 18 | 2011 |
| 19 | 2135 |
| 20 | 2405 |
| 21 | 10147 |
| 22 | 14029 |
| 23 | 16121 |
| 24 | 17501 |
| 25 | 46548 |