n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 4 |
4 | 8 |
5 | 15 |
6 | 28 |
7 | 51 |
8 | 96 |
9 | 180 |
10 | 340 |
11 | 644 |
12 | 1224 |
13 | 2332 |
14 | 4456 |
15 | 8535 |
16 | 16384 |
17 | 31515 |
18 | 60729 |
19 | 117218 |
20 | 226594 |
21 | 438636 |
22 | 850191 |
23 | 1649843 |
24 | 3205121 |
25 | 6232878 |
26 | 12132353 |
27 | 23636674 |
28 | 46088018 |
29 | 89934782 |
30 | 175624455 |
31 | 343195341 |
32 | 671088640 |
33 | 1313061077 |
[0,2,4,8,15,28,51,96,180,340,644,1224,2332,4456, 8535,16384,31515,60729,117218,226594,438636, 850191,1649843,3205121,6232878,12132353,23636674, 46088018,89934782,175624455,343195341,671088640, 1313061077] |