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 | 115 |
| 3 | 1441 |
| 4 | 17505 |
| 5 | 205323 |
| 6 | 2352642 |
| 7 | 26616961 |
| 8 | 299065708 |
| 9 | 3347252663 |
| 10 | 37378135504 |
| 11 | 416811197294 |
| 12 | 4643851898712 |
| 13 | 51709572437898 |
| 14 | 575575826236700 |
| 15 | 6405129188993734 |
| 16 | 71266042324237205 |
| 17 | 792848605905100847 |