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 | 262145 |
| 3 | 387420490 |
| 4 | 68719738881 |
| 5 | 3814697265626 |
| 6 | 50780172175525 |
| 7 | 1628413597910450 |
| 8 | 18014467229220865 |
| 9 | 150094635684419611 |
| 10 | 100000381469752777 |
| 11 | 5559917313492231482 |
| 12 | 4437239151658178615 |
| 13 | 112455406951957393130 |
| 14 | 213440241312117457625 |
| 15 | 295578376770097015348 |