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 | 0 |
2 | 0 |
3 | 1 |
4 | 9 |
5 | 212 |
6 | 9600 |
7 | 789792 |
8 | 114812264 |
9 | 29547629568 |
10 | 13644009626400 |
11 | 11489505388892800 |
12 | 17918588321874717312 |
13 | 52482523149603539181312 |
14 | 292311315623259148521270784 |
15 | 3129388799344153886272170009600 |
16 | 64965507855114369076680860799267840 |