n | a(n) |
---|---|
0 | 1 |
1 | -4 |
2 | 16 |
3 | -48 |
4 | 128 |
5 | -312 |
6 | 704 |
7 | -1504 |
8 | 3072 |
9 | -6036 |
10 | 11488 |
11 | -21264 |
12 | 38400 |
13 | -67864 |
14 | 117632 |
15 | -200352 |
16 | 335872 |
17 | -554952 |
18 | 904784 |
19 | -1457136 |
20 | 2320128 |
21 | -3655296 |
22 | 5702208 |
23 | -8813472 |
24 | 13504512 |
25 | -20523996 |
26 | 30952544 |
27 | -46340832 |
28 | 68901888 |
29 | -101777112 |
30 | 149403264 |
31 | -218016640 |
[1,-4,16,-48,128,-312,704,-1504,3072,-6036,11488, -21264,38400,-67864,117632,-200352,335872,-554952, 904784,-1457136,2320128,-3655296,5702208,-8813472, 13504512,-20523996,30952544,-46340832,68901888, -101777112,149403264,-218016640] |