n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 0 |
4 | 0 |
5 | -1 |
6 | -1 |
7 | -1 |
8 | -1 |
9 | -1 |
10 | -2 |
11 | -3 |
12 | -5 |
13 | -7 |
14 | -10 |
15 | -14 |
16 | -20 |
17 | -29 |
18 | -42 |
19 | -61 |
20 | -88 |
21 | -127 |
22 | -183 |
23 | -264 |
24 | -381 |
25 | -550 |
26 | -794 |
27 | -1146 |
28 | -1654 |
29 | -2387 |
30 | -3445 |
31 | -4972 |
32 | -7176 |
33 | -10357 |
34 | -14948 |
35 | -21574 |
36 | -31137 |
37 | -44939 |
38 | -64859 |
39 | -93609 |
40 | -135103 |
41 | -194990 |
42 | -281423 |
43 | -406169 |
44 | -586211 |
45 | -846060 |
46 | -1221092 |
47 | -1762364 |
[0,1,0,0,-1,-1,-1,-1,-1,-2,-3,-5,-7,-10,-14,-20, -29,-42,-61,-88,-127,-183,-264,-381,-550,-794, -1146,-1654,-2387,-3445,-4972,-7176,-10357,-14948, -21574,-31137,-44939,-64859,-93609,-135103, -194990,-281423,-406169,-586211,-846060,-1221092, -1762364] |