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 | 0 |
1 | 6 |
2 | 120 |
3 | 2016 |
4 | 32640 |
5 | 523776 |
6 | 8386560 |
7 | 134209536 |
8 | 2147450880 |
9 | 34359607296 |
10 | 549755289600 |
11 | 8796090925056 |
12 | 140737479966720 |
13 | 2251799780130816 |
14 | 36028796884746240 |
15 | 576460751766552576 |
16 | 9223372034707292160 |
17 | 147573952581086478336 |
18 | 2361183241400462868480 |