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 | 23 |
| 3 | 47 |
| 4 | 167 |
| 5 | 251 |
| 6 | 359 |
| 7 | 479 |
| 8 | 719 |
| 9 | 1847 |
| 10 | 2111 |
| 11 | 2591 |
| 12 | 3719 |
| 13 | 6719 |
| 14 | 7559 |
| 15 | 8819 |
| 16 | 10607 |
| 17 | 12539 |
| 18 | 14591 |
| 19 | 19319 |
| 20 | 27551 |
| 21 | 29231 |
| 22 | 31319 |
| 23 | 51071 |
| 24 | 53819 |
| 25 | 68111 |
| 26 | 97967 |
| 27 | 149759 |
| 28 | 155219 |
| 29 | 172199 |
| 30 | 177239 |
| 31 | 195359 |
| 32 | 199799 |
| 33 | 234239 |
| 34 | 273527 |
| 35 | 305783 |
| 36 | 314711 |
| 37 | 339863 |