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 | 0 |
2 | 4 |
3 | 6 |
4 | 376 |
5 | 2220 |
6 | 125028 |
7 | 1614480 |
8 | 92285856 |
9 | 2018520000 |
10 | 121850616240 |
11 | 3907998135360 |
12 | 253836993367296 |
13 | 10891474747433280 |
14 | 768302761361304960 |
15 | 41447634607068318720 |
16 | 3187906294983450762240 |
17 | 206982374312337802536960 |
18 | 17368877655215923728595968 |