n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 2 |
4 | 4 |
5 | 8 |
6 | 16 |
7 | 40 |
8 | 72 |
9 | 260 |
10 | 432 |
11 | 1976 |
12 | 2880 |
13 | 17632 |
14 | 23040 |
15 | 177248 |
16 | 201600 |
17 | 2001680 |
18 | 2016000 |
19 | 24879520 |
20 | 21772800 |
21 | 338969216 |
22 | 261273600 |
23 | 5002865792 |
24 | 3353011200 |
25 | 79676972608 |
26 | 46942156800 |
27 | 1358997441920 |
28 | 697426329600 |
29 | 24740358817280 |
30 | 11158821273600 |
31 | 478218277674496 |
[1,1,2,2,4,8,16,40,72,260,432,1976,2880,17632, 23040,177248,201600,2001680,2016000,24879520, 21772800,338969216,261273600,5002865792, 3353011200,79676972608,46942156800,1358997441920, 697426329600,24740358817280,11158821273600, 478218277674496] |