n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 4 |
3 | 0 |
4 | 72 |
5 | 1024 |
6 | 0 |
7 | 432 |
8 | 5400 |
9 | 26244 |
10 | 0 |
11 | 1600 |
12 | 18432 |
13 | 84672 |
14 | 262144 |
15 | 0 |
16 | 4500 |
17 | 49000 |
18 | 216000 |
19 | 648000 |
20 | 1562500 |
21 | 0 |
22 | 10584 |
23 | 110592 |
24 | 472392 |
25 | 1382400 |
26 | 3267000 |
27 | 6718464 |
28 | 0 |
29 | 21952 |
30 | 222264 |
31 | 926100 |
32 | 2656192 |
33 | 6174000 |
34 | 12520872 |
35 | 23059204 |
36 | 0 |
37 | 41472 |
38 | 409600 |
39 | 1672704 |
40 | 4718592 |
41 | 10816000 |
42 | 21676032 |
43 | 39513600 |
44 | 67108864 |
[0,0,4,0,72,1024,0,432,5400,26244,0,1600,18432, 84672,262144,0,4500,49000,216000,648000,1562500,0, 10584,110592,472392,1382400,3267000,6718464,0, 21952,222264,926100,2656192,6174000,12520872, 23059204,0,41472,409600,1672704,4718592,10816000, 21676032,39513600,67108864] |