n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 3 |
5 | 9 |
6 | 17 |
7 | 41 |
8 | 88 |
9 | 185 |
10 | 387 |
11 | 810 |
12 | 1669 |
13 | 3435 |
14 | 7039 |
15 | 14360 |
16 | 29225 |
17 | 59347 |
18 | 120228 |
19 | 243166 |
20 | 491085 |
21 | 990446 |
22 | 1995409 |
23 | 4016259 |
24 | 8076959 |
25 | 16231746 |
26 | 32599773 |
27 | 65437945 |
28 | 131293191 |
29 | 263316897 |
30 | 527912139 |
31 | 1058061751 |
32 | 2120039884 |
33 | 4246934012 |
34 | 8505864639 |
[0,0,0,1,3,9,17,41,88,185,387,810,1669,3435,7039, 14360,29225,59347,120228,243166,491085,990446, 1995409,4016259,8076959,16231746,32599773, 65437945,131293191,263316897,527912139,1058061751, 2120039884,4246934012,8505864639] |