n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 24 |
6 | 144 |
7 | 504 |
8 | 1344 |
9 | 3024 |
10 | 78624 |
11 | 809424 |
12 | 4809024 |
13 | 20787624 |
14 | 72696624 |
15 | 1961583624 |
16 | 28478346624 |
17 | 238536558624 |
18 | 1425925698624 |
19 | 6764765838624 |
20 | 189239120970624 |
21 | 3500701266525624 |
22 | 37764092547420624 |
23 | 288099608198025624 |
[0,0,0,0,0,24,144,504,1344,3024,78624,809424, 4809024,20787624,72696624,1961583624,28478346624, 238536558624,1425925698624,6764765838624, 189239120970624,3500701266525624, 37764092547420624,288099608198025624] |