n | a(n) |
---|---|
10 | 1 |
11 | 22 |
12 | 264 |
13 | 2288 |
14 | 16016 |
15 | 96096 |
16 | 512512 |
17 | 2489344 |
18 | 11202048 |
19 | 47297536 |
20 | 189190144 |
21 | 722362368 |
22 | 2648662016 |
23 | 9372188672 |
24 | 32133218304 |
25 | 107110727680 |
26 | 348109864960 |
27 | 1105760747520 |
28 | 3440144547840 |
29 | 10501493882880 |
30 | 31504481648640 |
[1,22,264,2288,16016,96096,512512,2489344, 11202048,47297536,189190144,722362368,2648662016, 9372188672,32133218304,107110727680,348109864960, 1105760747520,3440144547840,10501493882880, 31504481648640] |