n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 1 |
4 | -1 |
5 | 1 |
6 | -2 |
7 | 2 |
8 | -2 |
9 | 3 |
10 | -4 |
11 | 4 |
12 | -5 |
13 | 6 |
14 | -6 |
15 | 9 |
16 | -11 |
17 | 10 |
18 | -14 |
19 | 16 |
20 | -17 |
21 | 22 |
22 | -24 |
23 | 26 |
24 | -32 |
25 | 37 |
26 | -40 |
27 | 47 |
28 | -54 |
29 | 58 |
30 | -70 |
31 | 80 |
32 | -84 |
33 | 100 |
34 | -112 |
35 | 122 |
36 | -143 |
37 | 158 |
38 | -172 |
39 | 198 |
40 | -222 |
41 | 242 |
42 | -274 |
43 | 306 |
44 | -332 |
45 | 379 |
46 | -422 |
47 | 454 |
48 | -515 |
49 | 569 |
50 | -620 |
51 | 698 |
52 | -766 |
53 | 834 |
54 | -932 |
55 | 1028 |
56 | -1118 |
[1,0,1,-1,1,-2,2,-2,3,-4,4,-5,6,-6,9,-11,10,-14, 16,-17,22,-24,26,-32,37,-40,47,-54,58,-70,80,-84, 100,-112,122,-143,158,-172,198,-222,242,-274,306, -332,379,-422,454,-515,569,-620,698,-766,834,-932, 1028,-1118] |