n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 11 |
3 | 39 |
4 | 114 |
5 | 300 |
6 | 741 |
7 | 1757 |
8 | 4052 |
9 | 9162 |
10 | 20415 |
11 | 44979 |
12 | 98214 |
13 | 212888 |
14 | 458633 |
15 | 982905 |
16 | 2097000 |
17 | 4456278 |
18 | 9436995 |
19 | 19922735 |
20 | 41942810 |
21 | 88080132 |
22 | 184549101 |
23 | 385875669 |
24 | 805306044 |
25 | 1677721250 |
26 | 3489660551 |
27 | 7247756907 |
28 | 15032385102 |
29 | 31138512432 |
30 | 64424508945 |
[0,2,11,39,114,300,741,1757,4052,9162,20415,44979, 98214,212888,458633,982905,2097000,4456278, 9436995,19922735,41942810,88080132,184549101, 385875669,805306044,1677721250,3489660551, 7247756907,15032385102,31138512432,64424508945] |