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 | 11 |
| 2 | 101 |
| 3 | 821 |
| 4 | 1481 |
| 5 | 3251 |
| 6 | 5651 |
| 7 | 9431 |
| 8 | 31721 |
| 9 | 43781 |
| 10 | 97841 |
| 11 | 135461 |
| 12 | 187631 |
| 13 | 326141 |
| 14 | 768191 |
| 15 | 1440581 |
| 16 | 1508621 |
| 17 | 3047411 |
| 18 | 3798071 |
| 19 | 5146481 |
| 20 | 5610461 |
| 21 | 9020981 |
| 22 | 17301041 |
| 23 | 22030271 |
| 24 | 47774891 |
| 25 | 66885851 |
| 26 | 76562021 |
| 27 | 87797861 |
| 28 | 122231111 |
| 29 | 132842111 |
| 30 | 204651611 |
| 31 | 628641701 |
| 32 | 1749878981 |