n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 12 |
3 | 1 |
4 | 720 |
5 | 1 |
6 | 30240 |
7 | 1 |
8 | 1209600 |
9 | 1 |
10 | 47900160 |
11 | 1 |
12 | 1307674368000 |
13 | 1 |
14 | 74724249600 |
15 | 1 |
16 | 10670622842880000 |
17 | 1 |
18 | 5109094217170944000 |
19 | 1 |
20 | 802857662698291200000 |
21 | 1 |
22 | 14101100039391805440000 |
23 | 1 |
24 | 1693824136731743669452800000 |
25 | 1 |
26 | 186134520519971831808000000 |
27 | 1 |
28 | 37893265687455865519472640000000 |
29 | 1 |
30 | 759790291646040068357842010112000000 |
31 | 1 |
[1,2,12,1,720,1,30240,1,1209600,1,47900160,1, 1307674368000,1,74724249600,1,10670622842880000,1, 5109094217170944000,1,802857662698291200000,1, 14101100039391805440000,1, 1693824136731743669452800000,1, 186134520519971831808000000,1, 37893265687455865519472640000000,1, 759790291646040068357842010112000000,1] |