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 | 1 |
| 2 | 561 |
| 3 | 1703 |
| 4 | 2883 |
| 5 | 11623 |
| 6 | 14721 |
| 7 | 32431 |
| 8 | 205119 |
| 9 | 361767 |
| 10 | 826471901 |
| 11 | 3747204067 |
| 12 | 17463443163 |
| 13 | 404345080971 |
| 14 | 573488405493 |
| 15 | 5623233497397 |