n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 2 |
4 | 0 |
5 | 24 |
6 | 0 |
7 | 552 |
8 | 0 |
9 | 15936 |
10 | 0 |
11 | 427008 |
12 | 0 |
13 | 35567232 |
14 | 0 |
15 | 7352654592 |
16 | 0 |
17 | -1064016089088 |
18 | 0 |
19 | -285531029213184 |
20 | 0 |
21 | 515396596477280256 |
22 | 0 |
23 | -177833505179096580096 |
24 | 0 |
25 | -286336846462160593059840 |
26 | 0 |
27 | 573948928392687509387673600 |
28 | 0 |
29 | -211350462543692217044652785664 |
[1,0,2,0,24,0,552,0,15936,0,427008,0,35567232,0, 7352654592,0,-1064016089088,0,-285531029213184,0, 515396596477280256,0,-177833505179096580096,0, -286336846462160593059840,0, 573948928392687509387673600,0, -211350462543692217044652785664] |