n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | -2 |
4 | 8 |
5 | -16 |
6 | -64 |
7 | -832 |
8 | 13824 |
9 | 8192 |
10 | -36096 |
11 | -4228608 |
12 | -58438656 |
13 | -398991360 |
14 | -3452915712 |
15 | 44581613568 |
16 | 7144463302656 |
17 | -17762113880064 |
18 | 126440605483008 |
19 | -7331825098948608 |
20 | -88237584523984896 |
21 | 3154526750647517184 |
22 | -27279757707305287680 |
23 | -1278044473427380666368 |
[1,0,-2,8,-16,-64,-832,13824,8192,-36096,-4228608, -58438656,-398991360,-3452915712,44581613568, 7144463302656,-17762113880064,126440605483008, -7331825098948608,-88237584523984896, 3154526750647517184,-27279757707305287680, -1278044473427380666368] |