n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 24 |
7 | 28 |
8 | 128 |
9 | 252 |
10 | 720 |
11 | 1364 |
12 | 3360 |
13 | 6552 |
14 | 14616 |
15 | 29040 |
16 | 61440 |
17 | 122400 |
18 | 253008 |
19 | 504868 |
20 | 1028160 |
21 | 2054388 |
22 | 4149288 |
23 | 8294444 |
24 | 16679040 |
25 | 33349800 |
26 | 66895920 |
27 | 133775712 |
28 | 267976800 |
29 | 535920696 |
30 | 1072758840 |
31 | 2145452092 |
[0,0,0,0,0,0,24,28,128,252,720,1364,3360,6552, 14616,29040,61440,122400,253008,504868,1028160, 2054388,4149288,8294444,16679040,33349800, 66895920,133775712,267976800,535920696,1072758840, 2145452092] |