n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 0 |
10 | 1 |
11 | 2 |
12 | 4 |
13 | 8 |
14 | 16 |
15 | 32 |
16 | 63 |
17 | 126 |
18 | 252 |
19 | 504 |
20 | 1008 |
21 | 2015 |
22 | 4028 |
23 | 8052 |
24 | 16096 |
25 | 32176 |
26 | 64320 |
27 | 128577 |
28 | 257028 |
29 | 513804 |
30 | 1027104 |
31 | 2053200 |
32 | 4104385 |
33 | 8204742 |
34 | 16401432 |
35 | 32786768 |
36 | 65541360 |
37 | 131018400 |
38 | 261908223 |
39 | 523559418 |
40 | 1046605032 |
41 | 2092182960 |
[0,0,0,0,0,1,0,0,0,0,1,2,4,8,16,32,63,126,252,504, 1008,2015,4028,8052,16096,32176,64320,128577, 257028,513804,1027104,2053200,4104385,8204742, 16401432,32786768,65541360,131018400,261908223, 523559418,1046605032,2092182960] |