n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 7680 |
4 | 4320 |
5 | 276480 |
6 | 61440 |
7 | 2903040 |
8 | 522720 |
9 | 16896000 |
10 | 2211840 |
11 | 68774400 |
12 | 8960640 |
13 | 221460480 |
14 | 23224320 |
15 | 603325440 |
16 | 67154400 |
17 | 1448202240 |
18 | 135168000 |
19 | 3154982400 |
20 | 319809600 |
21 | 6359654400 |
22 | 550195200 |
23 | 12016788480 |
24 | 1147643520 |
[1,0,0,7680,4320,276480,61440,2903040,522720, 16896000,2211840,68774400,8960640,221460480, 23224320,603325440,67154400,1448202240,135168000, 3154982400,319809600,6359654400,550195200, 12016788480,1147643520] |