n | a(n) |
---|---|
0 | 1 |
1 | 120 |
2 | 5880 |
3 | 150240 |
4 | 2125560 |
5 | 16730064 |
6 | 80352480 |
7 | 343550400 |
8 | 1074130680 |
9 | 3300009240 |
10 | 8002059984 |
11 | 20074327200 |
12 | 41273292000 |
13 | 90329139600 |
14 | 165297094080 |
15 | 327390278976 |
16 | 549728415480 |
17 | 1009882047600 |
[1,120,5880,150240,2125560,16730064,80352480, 343550400,1074130680,3300009240,8002059984, 20074327200,41273292000,90329139600,165297094080, 327390278976,549728415480,1009882047600] |