n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 2 |
4 | 4 |
5 | 16 |
6 | 40 |
7 | 80 |
8 | 80 |
9 | 8 |
10 | 64 |
11 | 400 |
12 | 2240 |
13 | 11360 |
14 | 55040 |
15 | 253440 |
16 | 1056000 |
17 | 3801600 |
18 | 10982400 |
19 | 21964800 |
20 | 21964800 |
21 | 16 |
22 | 208 |
23 | 2048 |
24 | 18816 |
25 | 168768 |
26 | 1508032 |
27 | 13501312 |
28 | 121362560 |
29 | 1099169280 |
30 | 10049994240 |
31 | 92644597760 |
32 | 857213660160 |
33 | 7907423180800 |
34 | 72155129446400 |
[1,1,2,2,4,16,40,80,80,8,64,400,2240,11360,55040, 253440,1056000,3801600,10982400,21964800,21964800, 16,208,2048,18816,168768,1508032,13501312, 121362560,1099169280,10049994240,92644597760, 857213660160,7907423180800,72155129446400] |