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) |
|---|---|
| 3 | 1 |
| 4 | 1 |
| 5 | 4 |
| 6 | 5 |
| 7 | 7 |
| 8 | 12 |
| 9 | 18 |
| 10 | 27 |
| 11 | 24 |
| 12 | 69 |
| 13 | 41 |
| 14 | 70 |
| 15 | 111 |
| 16 | 103 |
| 17 | 87 |
| 18 | 202 |
| 19 | 115 |
| 20 | 275 |
| 21 | 268 |
| 22 | 284 |
| 23 | 201 |
| 24 | 583 |
| 25 | 313 |
| 26 | 482 |
| 27 | 459 |
| 28 | 708 |
| 29 | 403 |
| 30 | 1347 |