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 | 120 |
| 2 | 14400 |
| 3 | 857696 |
| 4 | 30627033 |
| 5 | 740441932 |
| 6 | 13140481520 |
| 7 | 181330154458 |
| 8 | 2031375254570 |
| 9 | 19103100564953 |
| 10 | 154879319818086 |
| 11 | 1106319655331310 |
| 12 | 7088499061347994 |
| 13 | 41355557480132029 |
| 14 | 222496813189773094 |