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 | 2 |
| 2 | 13 |
| 3 | 37 |
| 4 | 43 |
| 5 | 139 |
| 6 | 149 |
| 7 | 313 |
| 8 | 347 |
| 9 | 593 |
| 10 | 743 |
| 11 | 883 |
| 12 | 1009 |
| 13 | 2617 |
| 14 | 12269 |
| 15 | 15731 |
| 16 | 37879 |
| 17 | 43789 |
| 18 | 90533 |