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 | 4088 |
| 2 | 23360 |
| 3 | 1582640 |
| 4 | 9047912 |
| 5 | 18642443912 |
| 6 | 106578370640 |
| 7 | 7220791811360 |
| 8 | 41281080400088 |
| 9 | 85056113063608088 |
| 10 | 486263602888235360 |
| 11 | 32944848197744794640 |
| 12 | 188344846763231651912 |
| 13 | 388068345740467131839912 |
| 14 | 2218576715650261475158640 |
| 15 | 150310804012507009263599360 |