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 | 5 |
| 3 | 13 |
| 4 | 31 |
| 5 | 37 |
| 6 | 61 |
| 7 | 127 |
| 8 | 379 |
| 9 | 439 |
| 10 | 571 |
| 11 | 829 |
| 12 | 991 |
| 13 | 1549 |
| 14 | 3319 |
| 15 | 7549 |