n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | -1 |
3 | -2 |
4 | 0 |
5 | -1 |
6 | 2 |
7 | -1 |
8 | 3 |
9 | -3 |
10 | 4 |
11 | -6 |
12 | 7 |
13 | -10 |
14 | 13 |
15 | -17 |
16 | 23 |
17 | -30 |
18 | 40 |
19 | -53 |
20 | 70 |
21 | -93 |
22 | 123 |
23 | -163 |
24 | 216 |
25 | -286 |
26 | 379 |
27 | -502 |
28 | 665 |
29 | -881 |
30 | 1167 |
31 | -1546 |
32 | 2048 |
33 | -2713 |
34 | 3594 |
35 | -4761 |
36 | 6307 |
37 | -8355 |
38 | 11068 |
39 | -14662 |
40 | 19423 |
41 | -25730 |
42 | 34085 |
43 | -45153 |
44 | 59815 |
45 | -79238 |
46 | 104968 |
47 | -139053 |
48 | 184206 |
49 | -244021 |
50 | 323259 |
51 | -428227 |
52 | 567280 |
[1,-1,-1,-2,0,-1,2,-1,3,-3,4,-6,7,-10,13,-17,23, -30,40,-53,70,-93,123,-163,216,-286,379,-502,665, -881,1167,-1546,2048,-2713,3594,-4761,6307,-8355, 11068,-14662,19423,-25730,34085,-45153,59815, -79238,104968,-139053,184206,-244021,323259, -428227,567280] |