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 | 0 |
2 | 1 |
3 | 6 |
4 | 50 |
5 | 540 |
6 | 7203 |
7 | 114688 |
8 | 2125764 |
9 | 45000000 |
10 | 1071794405 |
11 | 28378791936 |
12 | 827150951094 |
13 | 26322173602816 |
14 | 908224365234375 |
15 | 33776997205278720 |
16 | 1347022612475207432 |
17 | 57346445240058396672 |
18 | 2595972722108590509129 |
19 | 124518400000000000000000 |
20 | 6308807923967155297895610 |
21 | 336682260736692839281065984 |