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 | 5 |
| 2 | 17 |
| 3 | 23 |
| 4 | 113 |
| 5 | 125 |
| 6 | 173 |
| 7 | 199 |
| 8 | 319 |
| 9 | 377 |
| 10 | 397 |
| 11 | 785 |
| 12 | 937 |
| 13 | 2167 |
| 14 | 3785 |
| 15 | 3977 |
| 16 | 5957 |
| 17 | 7727 |
| 18 | 8249 |
| 19 | 14677 |
| 20 | 19577 |
| 21 | 20485 |
| 22 | 36319 |
| 23 | 57509 |
| 24 | 60703 |
| 25 | 66677 |
| 26 | 76877 |
| 27 | 77017 |
| 28 | 83407 |
| 29 | 229405 |
| 30 | 1003373 |