n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 3 |
4 | 0 |
5 | -10 |
6 | 90 |
7 | 112 |
8 | -1680 |
9 | 5112 |
10 | 52920 |
11 | -328504 |
12 | -1255320 |
13 | 23508784 |
14 | 14510496 |
15 | -1763573160 |
16 | 4091068800 |
17 | 159016114496 |
18 | -879390741312 |
19 | -16959317684096 |
20 | 164322768835200 |
21 | 2137075591340928 |
22 | -32790836323453824 |
23 | -310912999830134272 |
24 | 7354887176447775360 |
[1,0,0,3,0,-10,90,112,-1680,5112,52920,-328504, -1255320,23508784,14510496,-1763573160,4091068800, 159016114496,-879390741312,-16959317684096, 164322768835200,2137075591340928, -32790836323453824,-310912999830134272, 7354887176447775360] |