n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | -4 |
4 | 7 |
5 | 33 |
6 | -68 |
7 | -344 |
8 | 767 |
9 | 4035 |
10 | -9425 |
11 | -50832 |
12 | 122436 |
13 | 671804 |
14 | -1653776 |
15 | -9189488 |
16 | 22992655 |
17 | 129001239 |
18 | -326863667 |
19 | -1847900500 |
20 | 4729547023 |
21 | 26903463697 |
22 | -69424933968 |
23 | -396930961632 |
24 | 1031309398852 |
25 | 5921685690388 |
26 | -15474833826028 |
27 | -89179284390112 |
28 | 234201961398776 |
29 | 1353916407418200 |
[1,1,-1,-4,7,33,-68,-344,767,4035,-9425,-50832, 122436,671804,-1653776,-9189488,22992655, 129001239,-326863667,-1847900500,4729547023, 26903463697,-69424933968,-396930961632, 1031309398852,5921685690388,-15474833826028, -89179284390112,234201961398776,1353916407418200] |