n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 9 |
4 | 19 |
5 | 41 |
6 | 87 |
7 | 185 |
8 | 392 |
9 | 831 |
10 | 1762 |
11 | 3735 |
12 | 7923 |
13 | 16810 |
14 | 35678 |
15 | 75750 |
16 | 160878 |
17 | 341780 |
18 | 726323 |
19 | 1543984 |
20 | 3283096 |
21 | 6983143 |
22 | 14857421 |
23 | 31619882 |
24 | 67313293 |
25 | 143339183 |
26 | 305318041 |
27 | 650524459 |
28 | 1386432629 |
29 | 2955686825 |
30 | 6302941044 |
[1,2,5,9,19,41,87,185,392,831,1762,3735,7923, 16810,35678,75750,160878,341780,726323,1543984, 3283096,6983143,14857421,31619882,67313293, 143339183,305318041,650524459,1386432629, 2955686825,6302941044] |