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 | 19 |
| 2 | 41 |
| 3 | 109 |
| 4 | 149 |
| 5 | 401 |
| 6 | 409 |
| 7 | 419 |
| 8 | 491 |
| 9 | 941 |
| 10 | 1049 |
| 11 | 1409 |
| 12 | 4019 |
| 13 | 4091 |
| 14 | 9041 |