n | a(n) |
---|---|
0 | 1 |
1 | -4 |
2 | 4 |
3 | 16 |
4 | 52 |
5 | 112 |
6 | -48 |
7 | -1984 |
8 | -11212 |
9 | -33360 |
10 | 6224 |
11 | 713536 |
12 | 4441872 |
13 | 13004480 |
14 | -17374656 |
15 | -432012032 |
16 | -2525831628 |
17 | -6454496208 |
18 | 21147389392 |
19 | 326358047552 |
20 | 1794285832464 |
21 | 4124461926592 |
22 | -19727734694848 |
23 | -263598020446976 |
24 | -1416694290412784 |
25 | -3151402998261312 |
[1,-4,4,16,52,112,-48,-1984,-11212,-33360,6224, 713536,4441872,13004480,-17374656,-432012032, -2525831628,-6454496208,21147389392,326358047552, 1794285832464,4124461926592,-19727734694848, -263598020446976,-1416694290412784, -3151402998261312] |