n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 32 |
6 | 116 |
7 | 440 |
8 | 1708 |
9 | 6760 |
10 | 27232 |
11 | 111392 |
12 | 461536 |
13 | 1933024 |
14 | 8170400 |
15 | 34807232 |
16 | 149304080 |
17 | 644298592 |
18 | 2795216576 |
19 | 12184415360 |
20 | 53338632256 |
21 | 234393350912 |
22 | 1033614750080 |
23 | 4572427361536 |
24 | 20285780245120 |
25 | 90238113332992 |
[1,2,4,10,32,116,440,1708,6760,27232,111392, 461536,1933024,8170400,34807232,149304080, 644298592,2795216576,12184415360,53338632256, 234393350912,1033614750080,4572427361536, 20285780245120,90238113332992] |