n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 0 |
3 | -2 |
4 | -4 |
5 | -4 |
6 | 4 |
7 | 44 |
8 | 236 |
9 | 1300 |
10 | 8276 |
11 | 61484 |
12 | 523804 |
13 | 5024036 |
14 | 53478980 |
15 | 624890236 |
16 | 7946278604 |
17 | 109195935284 |
18 | 1612048228276 |
19 | 25439293045580 |
20 | 427278358483196 |
21 | 7609502950269124 |
22 | 143217213477235364 |
23 | 2840152418116021916 |
24 | 59189357288576068780 |
[0,1,0,-2,-4,-4,4,44,236,1300,8276,61484,523804, 5024036,53478980,624890236,7946278604, 109195935284,1612048228276,25439293045580, 427278358483196,7609502950269124, 143217213477235364,2840152418116021916, 59189357288576068780] |