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 | 37 |
| 2 | 43 |
| 3 | 47 |
| 4 | 67 |
| 5 | 73 |
| 6 | 79 |
| 7 | 337 |
| 8 | 409 |
| 9 | 439 |
| 10 | 499 |
| 11 | 607 |
| 12 | 709 |
| 13 | 3637 |
| 14 | 3709 |
| 15 | 4877 |
| 16 | 6997 |
| 17 | 7487 |
| 18 | 9433 |
| 19 | 76963 |
| 20 | 334777 |