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 | 3 |
| 2 | 3 |
| 3 | 3 |
| 4 | 75 |
| 5 | 113 |
| 6 | 2163 |
| 7 | 63739 |
| 8 | 13221 |
| 9 | 54809 |
| 10 | 3656571 |
| 11 | 6992033 |
| 12 | 125441 |
| 13 | 103859115 |
| 14 | 56414915 |
| 15 | 87888967 |