n | a(n) |
---|---|
1 | 2 |
2 | 12 |
3 | 32 |
4 | 150 |
5 | 282 |
6 | 1890 |
7 | 3488 |
8 | 21582 |
9 | 54650 |
10 | 282612 |
11 | 705564 |
12 | 4072224 |
13 | 10400782 |
14 | 55006530 |
15 | 158987232 |
16 | 790611350 |
17 | 2333606526 |
18 | 11573213196 |
19 | 35345264180 |
20 | 168673694070 |
21 | 540848064614 |
22 | 2500462200182 |
23 | 8233430728152 |
24 | 37445946291600 |
25 | 126411051769652 |
[2,12,32,150,282,1890,3488,21582,54650,282612, 705564,4072224,10400782,55006530,158987232, 790611350,2333606526,11573213196,35345264180, 168673694070,540848064614,2500462200182, 8233430728152,37445946291600,126411051769652] |