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 | 8 |
| 2 | 9 |
| 3 | 11 |
| 4 | 13 |
| 5 | 15 |
| 6 | 133 |
| 7 | 2317 |
| 8 | 39845 |
| 9 | 108167 |
| 10 | 46779959 |
| 11 | 70246181 |
| 12 | 248897669 |
| 13 | 452691117 |
| 14 | 1137506437 |
| 15 | 3089581031 |