n | a(n) |
---|---|
9 | 362880 |
10 | 1814400 |
11 | 16632000 |
12 | 119750400 |
13 | 1003242240 |
14 | 7749181440 |
15 | 68518850400 |
16 | 584994009600 |
17 | 5490179735040 |
18 | 51882551360640 |
19 | 405925296678720 |
20 | 3438148872412800 |
21 | 28858842800988480 |
22 | 242180235433825920 |
23 | 2068546823359410240 |
24 | 17716539920908308480 |
25 | 155272065377761886400 |
[362880,1814400,16632000,119750400,1003242240, 7749181440,68518850400,584994009600,5490179735040, 51882551360640,405925296678720,3438148872412800, 28858842800988480,242180235433825920, 2068546823359410240,17716539920908308480, 155272065377761886400] |