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 | 151 |
| 2 | 241 |
| 3 | 431 |
| 4 | 641 |
| 5 | 911 |
| 6 | 3881 |
| 7 | 4751 |
| 8 | 4871 |
| 9 | 5441 |
| 10 | 5471 |
| 11 | 5641 |
| 12 | 5711 |
| 13 | 6791 |
| 14 | 6871 |
| 15 | 8831 |
| 16 | 9041 |
| 17 | 9431 |
| 18 | 10711 |
| 19 | 12721 |
| 20 | 13751 |
| 21 | 14071 |
| 22 | 14431 |
| 23 | 14591 |
| 24 | 15551 |
| 25 | 16631 |
| 26 | 16871 |
| 27 | 17231 |
| 28 | 17681 |
| 29 | 17791 |
| 30 | 18401 |
| 31 | 19031 |
| 32 | 19471 |
| 33 | 21401 |
| 34 | 25111 |
| 35 | 25391 |
| 36 | 25561 |
| 37 | 26921 |
| 38 | 27031 |