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 | 241 |
| 2 | 409 |
| 3 | 1201 |
| 4 | 1609 |
| 5 | 2089 |
| 6 | 2161 |
| 7 | 3049 |
| 8 | 3121 |
| 9 | 3529 |
| 10 | 4561 |
| 11 | 4729 |
| 12 | 4969 |
| 13 | 5281 |
| 14 | 6481 |
| 15 | 6961 |
| 16 | 7129 |
| 17 | 7369 |
| 18 | 7681 |
| 19 | 8089 |
| 20 | 8161 |
| 21 | 9049 |
| 22 | 11689 |
| 23 | 12241 |
| 24 | 12721 |
| 25 | 12889 |
| 26 | 13441 |
| 27 | 13921 |
| 28 | 14401 |
| 29 | 16249 |
| 30 | 17449 |
| 31 | 17929 |
| 32 | 19441 |
| 33 | 19609 |
| 34 | 19681 |
| 35 | 20161 |
| 36 | 20641 |
| 37 | 20809 |
| 38 | 21121 |
| 39 | 21841 |
| 40 | 23041 |