n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 7 |
3 | 12 |
4 | 21 |
5 | 44 |
6 | 91 |
7 | 180 |
8 | 357 |
9 | 716 |
10 | 1435 |
11 | 2868 |
12 | 5733 |
13 | 11468 |
14 | 22939 |
15 | 45876 |
16 | 91749 |
17 | 183500 |
18 | 367003 |
19 | 734004 |
20 | 1468005 |
21 | 2936012 |
22 | 5872027 |
23 | 11744052 |
24 | 23488101 |
25 | 46976204 |
26 | 93952411 |
27 | 187904820 |
28 | 375809637 |
29 | 751619276 |
30 | 1503238555 |
31 | 3006477108 |
[0,2,7,12,21,44,91,180,357,716,1435,2868,5733, 11468,22939,45876,91749,183500,367003,734004, 1468005,2936012,5872027,11744052,23488101, 46976204,93952411,187904820,375809637,751619276, 1503238555,3006477108] |