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) |
---|---|
2 | 1 |
3 | 2 |
4 | 8 |
5 | 50 |
6 | 432 |
7 | 4802 |
8 | 65536 |
9 | 1062882 |
10 | 20000000 |
11 | 428717762 |
12 | 10319560704 |
13 | 275716983698 |
14 | 8099130339328 |
15 | 259492675781250 |
16 | 9007199254740992 |
17 | 336755653118801858 |
18 | 13493281232954916864 |
19 | 576882827135242335362 |
20 | 26214400000000000000000 |