n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 4 |
5 | 24 |
6 | 84 |
7 | 224 |
8 | 504 |
9 | 1008 |
10 | 1848 |
11 | 3168 |
12 | 5148 |
13 | 8008 |
14 | 12012 |
15 | 17472 |
16 | 24752 |
17 | 34272 |
18 | 46512 |
19 | 62016 |
20 | 81396 |
21 | 105336 |
22 | 134596 |
23 | 170016 |
24 | 212520 |
25 | 263120 |
26 | 322920 |
27 | 393120 |
28 | 475020 |
29 | 570024 |
30 | 679644 |
31 | 805504 |
32 | 949344 |
33 | 1113024 |
34 | 1298528 |
35 | 1507968 |
36 | 1743588 |
37 | 2007768 |
38 | 2303028 |
[0,0,0,0,4,24,84,224,504,1008,1848,3168,5148,8008, 12012,17472,24752,34272,46512,62016,81396,105336, 134596,170016,212520,263120,322920,393120,475020, 570024,679644,805504,949344,1113024,1298528, 1507968,1743588,2007768,2303028] |