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 | 11 |
| 3 | 13 |
| 4 | 17 |
| 5 | 19 |
| 6 | 35 |
| 7 | 43 |
| 8 | 49 |
| 9 | 67 |
| 10 | 71 |
| 11 | 73 |
| 12 | 85 |
| 13 | 103 |
| 14 | 263 |
| 15 | 293 |
| 16 | 497 |
| 17 | 529 |
| 18 | 599 |
| 19 | 905 |
| 20 | 971 |
| 21 | 1685 |
| 22 | 2927 |
| 23 | 3635 |
| 24 | 3847 |
| 25 | 4535 |
| 26 | 8501 |
| 27 | 38777 |