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 | 50 |
| 2 | 984 |
| 3 | 13683 |
| 4 | 186516 |
| 5 | 2596992 |
| 6 | 37128051 |
| 7 | 537465766 |
| 8 | 7804602744 |
| 9 | 113382138975 |
| 10 | 1646661944858 |
| 11 | 23908590491858 |
| 12 | 347099092628781 |
| 13 | 5038892410726190 |
| 14 | 73149786094975076 |
| 15 | 1061918636087967819 |
| 16 | 15415943271255819642 |