n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -8 |
3 | 44 |
4 | -192 |
5 | 718 |
6 | -2400 |
7 | 7352 |
8 | -20992 |
9 | 56549 |
10 | -145008 |
11 | 356388 |
12 | -844032 |
13 | 1934534 |
14 | -4306368 |
15 | 9337704 |
16 | -19771392 |
17 | 40965362 |
18 | -83207976 |
19 | 165944732 |
20 | -325393024 |
21 | 628092832 |
22 | -1194744096 |
23 | 2241688744 |
24 | -4152367104 |
25 | 7599231223 |
26 | -13749863984 |
[0,1,-8,44,-192,718,-2400,7352,-20992,56549, -145008,356388,-844032,1934534,-4306368,9337704, -19771392,40965362,-83207976,165944732,-325393024, 628092832,-1194744096,2241688744,-4152367104, 7599231223,-13749863984] |