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 | 5 |
| 2 | 361 |
| 3 | 14621 |
| 4 | 606546 |
| 5 | 25448809 |
| 6 | 1064583557 |
| 7 | 44560487654 |
| 8 | 1865051797753 |
| 9 | 78060898850787 |
| 10 | 3267207111743056 |
| 11 | 136747572763258659 |
| 12 | 5723512289789881283 |
| 13 | 239555203487051506472 |
| 14 | 10026482454922619039947 |
| 15 | 419654213169799743389447 |