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) |
---|---|
8 | 8 |
9 | 9144 |
10 | 2178000 |
11 | 270111600 |
12 | 23449219200 |
13 | 1635398519040 |
14 | 98861289246720 |
15 | 5425893817344000 |
16 | 278673669001728000 |
17 | 13673851998782976000 |
18 | 650477329618365849600 |
19 | 30322668859342072012800 |