n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 35 |
3 | 280 |
4 | 3080 |
5 | 46200 |
6 | 1016400 |
7 | 33541200 |
8 | 1710601200 |
9 | 136848096000 |
10 | 17379708192000 |
11 | 3528080762976000 |
12 | 1150154328730176000 |
13 | 603831022583342400000 |
14 | 511444876128091012800000 |
15 | 699656590543228505510400000 |
16 | 1546940721691078225683494400000 |
[1,5,35,280,3080,46200,1016400,33541200, 1710601200,136848096000,17379708192000, 3528080762976000,1150154328730176000, 603831022583342400000,511444876128091012800000, 699656590543228505510400000, 1546940721691078225683494400000] |