n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 8 |
4 | 20 |
5 | 38 |
6 | 88 |
7 | 162 |
8 | 336 |
9 | 624 |
10 | 1211 |
11 | 2195 |
12 | 4109 |
13 | 7295 |
14 | 13190 |
15 | 23072 |
16 | 40618 |
17 | 69838 |
18 | 120486 |
19 | 204006 |
20 | 345595 |
21 | 577387 |
22 | 962961 |
23 | 1588483 |
24 | 2613930 |
25 | 4262138 |
26 | 6928799 |
27 | 11179251 |
28 | 17976330 |
29 | 28720552 |
30 | 45729595 |
31 | 72401921 |
32 | 114239033 |
[1,1,4,8,20,38,88,162,336,624,1211,2195,4109,7295, 13190,23072,40618,69838,120486,204006,345595, 577387,962961,1588483,2613930,4262138,6928799, 11179251,17976330,28720552,45729595,72401921, 114239033] |