n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 144 |
3 | 6480 |
4 | 41472 |
5 | 6531840 |
6 | 1343692800 |
7 | 1881169920 |
8 | 5417769369600 |
9 | 2011346878464000 |
10 | 5461111524556800 |
11 | 15060965425938432000 |
12 | 11678040884112261120000 |
13 | 15181453149345939456000 |
14 | 1987390230459832074240000 |
15 | 585336107626182041665536000000 |
[1,1,144,6480,41472,6531840,1343692800,1881169920, 5417769369600,2011346878464000,5461111524556800, 15060965425938432000,11678040884112261120000, 15181453149345939456000,1987390230459832074240000, 585336107626182041665536000000] |