n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 2 |
7 | 3 |
8 | 6 |
9 | 10 |
10 | 18 |
11 | 31 |
12 | 59 |
13 | 105 |
14 | 198 |
15 | 365 |
16 | 688 |
17 | 1285 |
18 | 2438 |
19 | 4599 |
20 | 8755 |
21 | 16647 |
22 | 31806 |
23 | 60787 |
24 | 116570 |
25 | 223696 |
26 | 430290 |
27 | 828514 |
28 | 1598025 |
29 | 3085465 |
30 | 5965612 |
31 | 11545611 |
32 | 22370304 |
33 | 43383539 |
34 | 84216330 |
35 | 163617801 |
36 | 318148208 |
37 | 619094385 |
38 | 1205609454 |
39 | 2349383925 |
40 | 4581307186 |
41 | 8939118925 |
42 | 17452582356 |
[0,1,1,1,1,2,3,6,10,18,31,59,105,198,365,688,1285, 2438,4599,8755,16647,31806,60787,116570,223696, 430290,828514,1598025,3085465,5965612,11545611, 22370304,43383539,84216330,163617801,318148208, 619094385,1205609454,2349383925,4581307186, 8939118925,17452582356] |