n | a(n) |
---|---|
7 | 1 |
8 | 16 |
9 | 288 |
10 | 5280 |
11 | 101640 |
12 | 2068704 |
13 | 44595408 |
14 | 1017804216 |
15 | 24559319070 |
16 | 625388375040 |
17 | 16772475939648 |
18 | 472802783660064 |
19 | 13981054231585584 |
20 | 432866241024085440 |
21 | 14006847775868101440 |
22 | 472893544571144089536 |
23 | 16631451859811919417144 |
24 | 608402197372214335559040 |
[1,16,288,5280,101640,2068704,44595408,1017804216, 24559319070,625388375040,16772475939648, 472802783660064,13981054231585584, 432866241024085440,14006847775868101440, 472893544571144089536,16631451859811919417144, 608402197372214335559040] |