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 | 4 |
| 2 | 11 |
| 3 | 41 |
| 4 | 69 |
| 5 | 161 |
| 6 | 213 |
| 7 | 353 |
| 8 | 505 |
| 9 | 655 |
| 10 | 1011 |
| 11 | 1197 |
| 12 | 1509 |
| 13 | 1841 |
| 14 | 2185 |
| 15 | 2667 |
| 16 | 3115 |
| 17 | 3831 |
| 18 | 4197 |
| 19 | 4749 |
| 20 | 5463 |
| 21 | 5901 |
| 22 | 6865 |
| 23 | 7873 |
| 24 | 8795 |
| 25 | 9789 |
| 26 | 10601 |
| 27 | 11013 |
| 28 | 11873 |
| 29 | 13617 |
| 30 | 14549 |
| 31 | 17137 |
| 32 | 17935 |
| 33 | 20135 |
| 34 | 20691 |
| 35 | 23091 |
| 36 | 24299 |
| 37 | 25893 |
| 38 | 27865 |