n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 720 |
7 | 5040 |
8 | 20160 |
9 | 60480 |
10 | 151200 |
11 | 332640 |
12 | 665280 |
13 | 1235520 |
14 | 2162160 |
15 | 3603600 |
16 | 5765760 |
17 | 8910720 |
18 | 13366080 |
19 | 19535040 |
20 | 27907200 |
21 | 39070080 |
22 | 53721360 |
23 | 72681840 |
24 | 96909120 |
25 | 127512000 |
26 | 165765600 |
27 | 213127200 |
28 | 271252800 |
29 | 342014400 |
30 | 427518000 |
31 | 530122320 |
[0,0,0,0,0,0,720,5040,20160,60480,151200,332640, 665280,1235520,2162160,3603600,5765760,8910720, 13366080,19535040,27907200,39070080,53721360, 72681840,96909120,127512000,165765600,213127200, 271252800,342014400,427518000,530122320] |