n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 2 |
5 | 4 |
6 | 7 |
7 | 16 |
8 | 32 |
9 | 62 |
10 | 131 |
11 | 264 |
12 | 537 |
13 | 1056 |
14 | 2103 |
15 | 4207 |
16 | 8389 |
17 | 16754 |
18 | 33521 |
19 | 67037 |
20 | 133943 |
21 | 267788 |
22 | 535388 |
23 | 1070008 |
24 | 2138723 |
25 | 4275407 |
26 | 8544670 |
27 | 17077641 |
[0,0,0,1,2,4,7,16,32,62,131,264,537,1056,2103, 4207,8389,16754,33521,67037,133943,267788,535388, 1070008,2138723,4275407,8544670,17077641] |