n | a(n) |
---|---|
0 | 0 |
1 | -1 |
2 | 2 |
3 | -2 |
4 | 4 |
5 | -3 |
6 | 6 |
7 | -4 |
8 | 0 |
9 | -5 |
10 | 10 |
11 | -6 |
12 | 12 |
13 | -7 |
14 | 14 |
15 | -8 |
16 | 0 |
17 | -9 |
18 | 18 |
19 | -10 |
20 | 0 |
21 | -11 |
22 | 22 |
23 | -12 |
24 | 0 |
25 | -13 |
26 | 26 |
27 | -14 |
28 | 0 |
29 | -15 |
30 | 30 |
31 | -16 |
32 | 0 |
33 | -17 |
34 | 34 |
35 | -18 |
36 | 36 |
37 | -19 |
38 | 38 |
39 | -20 |
40 | 0 |
41 | -21 |
42 | 42 |
43 | -22 |
44 | 0 |
45 | -23 |
46 | 0 |
47 | -24 |
48 | 48 |
49 | -25 |
50 | 0 |
51 | -26 |
52 | 52 |
53 | -27 |
54 | 0 |
55 | -28 |
56 | 56 |
57 | -29 |
58 | 0 |
59 | -30 |
60 | 60 |
61 | -31 |
62 | 0 |
63 | -32 |
64 | 64 |
65 | -33 |
66 | 66 |
67 | -34 |
68 | 68 |
69 | -35 |
70 | 0 |
71 | -36 |
72 | 72 |
73 | -37 |
[0,-1,2,-2,4,-3,6,-4,0,-5,10,-6,12,-7,14,-8,0,-9, 18,-10,0,-11,22,-12,0,-13,26,-14,0,-15,30,-16,0, -17,34,-18,36,-19,38,-20,0,-21,42,-22,0,-23,0,-24, 48,-25,0,-26,52,-27,0,-28,56,-29,0,-30,60,-31,0, -32,64,-33,66,-34,68,-35,0,-36,72,-37] |