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