n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 1 |
3 | 8 |
4 | 16 |
5 | 224 |
6 | 608 |
7 | 13320 |
8 | 41760 |
9 | 1366152 |
10 | 4440312 |
11 | 215100192 |
12 | 655723440 |
13 | 48242081328 |
14 | 121651212720 |
15 | 14627299801728 |
16 | 24367884018048 |
17 | 5768946415383552 |
18 | 2780730890516736 |
19 | 2872938805170308352 |
20 | -2941729703083507968 |
21 | 1764460446550873413120 |
[0,1,1,8,16,224,608,13320,41760,1366152,4440312, 215100192,655723440,48242081328,121651212720, 14627299801728,24367884018048,5768946415383552, 2780730890516736,2872938805170308352, -2941729703083507968,1764460446550873413120] |