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 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 1 |
8 | 1 |
9 | 1 |
10 | 3628800 |
11 | 39916800 |
12 | 239500800 |
13 | 1037836800 |
14 | 3632428800 |
15 | 10897286400 |
16 | 29059430400 |
17 | 70572902400 |
18 | 158789030400 |
19 | 335221286400 |
20 | 1216451004088320000 |
21 | 25545471085854720000 |
22 | 281000181944401920000 |
23 | 2154334728240414720000 |