n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 72 |
5 | 7200 |
6 | 907200 |
7 | 151351200 |
8 | 32818867200 |
9 | 9022953139200 |
10 | 3074644210176000 |
11 | 1273420678578048000 |
12 | 630456744366408960000 |
13 | 367858475127819067392000 |
14 | 249891669321208978871808000 |
15 | 195560183245820886392739840000 |
16 | 174686971253081560944736665600000 |
17 | 176671699588778004249333176401920000 |
[0,0,0,72,7200,907200,151351200,32818867200, 9022953139200,3074644210176000, 1273420678578048000,630456744366408960000, 367858475127819067392000, 249891669321208978871808000, 195560183245820886392739840000, 174686971253081560944736665600000, 176671699588778004249333176401920000] |