n | a(n) |
---|---|
1 | 1 |
2 | -2 |
3 | 4 |
4 | -9 |
5 | 24 |
6 | -74 |
7 | 251 |
8 | -902 |
9 | 3359 |
10 | -12802 |
11 | 49588 |
12 | -194445 |
13 | 770099 |
14 | -3076129 |
15 | 12380317 |
16 | -50162386 |
17 | 204475572 |
18 | -838014584 |
19 | 3451174777 |
20 | -14274905490 |
21 | 59276495017 |
22 | -247019567936 |
23 | 1032709501505 |
24 | -4330122550717 |
25 | 18204993223606 |
26 | -76728300335664 |
27 | 324125242867935 |
28 | -1372110743864550 |
[1,-2,4,-9,24,-74,251,-902,3359,-12802,49588, -194445,770099,-3076129,12380317,-50162386, 204475572,-838014584,3451174777,-14274905490, 59276495017,-247019567936,1032709501505, -4330122550717,18204993223606,-76728300335664, 324125242867935,-1372110743864550] |