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 | 399 |
| 2 | 935 |
| 3 | 565861139 |
| 4 | 5778659039 |
| 5 | 22824172799 |
| 6 | 49569379679 |
| 7 | 221511111527 |
| 8 | 572531110799 |
| 9 | 745012846679 |