n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 10 |
3 | 32 |
4 | 160 |
5 | 584 |
6 | 2920 |
7 | 11360 |
8 | 56800 |
9 | 229568 |
10 | 1147840 |
11 | 4759424 |
12 | 23797120 |
13 | 100509824 |
14 | 502549120 |
15 | 2152467968 |
16 | 10762339840 |
17 | 46606146560 |
18 | 233030732800 |
19 | 1018160390144 |
20 | 5090801950720 |
21 | 22407240077312 |
22 | 112036200386560 |
23 | 496198838730752 |
24 | 2480994193653760 |
25 | 11046580426440704 |
26 | 55232902132203520 |
[1,2,10,32,160,584,2920,11360,56800,229568, 1147840,4759424,23797120,100509824,502549120, 2152467968,10762339840,46606146560,233030732800, 1018160390144,5090801950720,22407240077312, 112036200386560,496198838730752,2480994193653760, 11046580426440704,55232902132203520] |