n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 3 |
6 | 7 |
7 | 15 |
8 | 32 |
9 | 66 |
10 | 134 |
11 | 270 |
12 | 543 |
13 | 1089 |
14 | 2181 |
15 | 4365 |
16 | 8734 |
17 | 17472 |
18 | 34948 |
19 | 69900 |
20 | 139805 |
21 | 279615 |
22 | 559235 |
23 | 1118475 |
24 | 2236956 |
25 | 4473918 |
26 | 8947842 |
27 | 17895690 |
28 | 35791387 |
29 | 71582781 |
30 | 143165569 |
31 | 286331145 |
32 | 572662298 |
33 | 1145324604 |
34 | 2290649216 |
35 | 4581298440 |
[0,0,0,0,1,3,7,15,32,66,134,270,543,1089,2181, 4365,8734,17472,34948,69900,139805,279615,559235, 1118475,2236956,4473918,8947842,17895690,35791387, 71582781,143165569,286331145,572662298,1145324604, 2290649216,4581298440] |