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) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 40 |
4 | 320 |
5 | 3840 |
6 | 72960 |
7 | 2188800 |
8 | 105062400 |
9 | 8089804800 |
10 | 1003135795200 |
11 | 200627159040000 |
12 | 64802572369920000 |
13 | 33826942777098240000 |
14 | 28549939703870914560000 |
15 | 38970667695783798374400000 |
16 | 86047234272290626810675200000 |
17 | 307360720820622118967731814400000 |