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) |
|---|---|
| 2 | 0 |
| 3 | 2 |
| 4 | 14 |
| 5 | 115 |
| 6 | 116 |
| 7 | 109 |
| 8 | 245 |
| 9 | 381 |
| 10 | 1387 |
| 11 | 913 |
| 12 | 1234 |
| 13 | 1552 |
| 14 | 2103 |
| 15 | 2838 |
| 16 | 3036 |
| 17 | 3384 |
| 18 | 4693 |
| 19 | 5405 |
| 20 | 8304 |
| 21 | 9088 |
| 22 | 11089 |
| 23 | 13289 |
| 24 | 15815 |
| 25 | 18619 |
| 26 | 20979 |
| 27 | 22755 |
| 28 | 24107 |
| 29 | 24984 |
| 30 | 25548 |