n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 2 |
3 | -6 |
4 | 14 |
5 | -32 |
6 | 76 |
7 | -180 |
8 | 424 |
9 | -1000 |
10 | 2360 |
11 | -5568 |
12 | 13136 |
13 | -30992 |
14 | 73120 |
15 | -172512 |
16 | 407008 |
17 | -960256 |
18 | 2265536 |
19 | -5345088 |
20 | 12610688 |
21 | -29752448 |
22 | 70195072 |
23 | -165611520 |
24 | 390727936 |
25 | -921846016 |
26 | 2174915072 |
27 | -5131286016 |
28 | 12106264064 |
29 | -28562358272 |
30 | 67387288576 |
31 | -158987105280 |
[1,-1,2,-6,14,-32,76,-180,424,-1000,2360,-5568, 13136,-30992,73120,-172512,407008,-960256,2265536, -5345088,12610688,-29752448,70195072,-165611520, 390727936,-921846016,2174915072,-5131286016, 12106264064,-28562358272,67387288576, -158987105280] |