n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -1 |
3 | 4 |
4 | -5 |
5 | 15 |
6 | -22 |
7 | 57 |
8 | -93 |
9 | 220 |
10 | -385 |
11 | 859 |
12 | -1574 |
13 | 3381 |
14 | -6385 |
15 | 13380 |
16 | -25773 |
17 | 53143 |
18 | -103702 |
19 | 211585 |
20 | -416405 |
21 | 843756 |
22 | -1669801 |
23 | 3368259 |
24 | -6690150 |
25 | 13455325 |
26 | -26789257 |
27 | 53774932 |
28 | -107232053 |
29 | 214978335 |
30 | -429124630 |
31 | 859595529 |
32 | -1717012749 |
33 | 3437550076 |
[0,1,-1,4,-5,15,-22,57,-93,220,-385,859,-1574, 3381,-6385,13380,-25773,53143,-103702,211585, -416405,843756,-1669801,3368259,-6690150,13455325, -26789257,53774932,-107232053,214978335, -429124630,859595529,-1717012749,3437550076] |