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 | 2735 |
| 3 | 110551 |
| 4 | 2139403 |
| 5 | 91994155 |
| 6 | 4238895126 |
| 7 | 154327332017 |
| 8 | 5699564719228 |
| 9 | 225335188630385 |
| 10 | 8767500946143576 |
| 11 | 335583072729414460 |
| 12 | 12937974222045436776 |
| 13 | 500589141612794916455 |
| 14 | 19317070336607603879897 |