n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 9 |
3 | 45 |
4 | 166 |
5 | 505 |
6 | 1342 |
7 | 3224 |
8 | 7161 |
9 | 14938 |
10 | 29602 |
11 | 56211 |
12 | 102973 |
13 | 182963 |
14 | 316694 |
15 | 535947 |
16 | 889454 |
17 | 1451305 |
18 | 2333356 |
19 | 3703510 |
20 | 5812615 |
21 | 9034001 |
22 | 13921551 |
23 | 21294946 |
24 | 32364747 |
25 | 48915873 |
26 | 73576675 |
27 | 110213470 |
28 | 164508959 |
29 | 244810154 |
30 | 363371304 |
31 | 538175735 |
[0,1,9,45,166,505,1342,3224,7161,14938,29602, 56211,102973,182963,316694,535947,889454,1451305, 2333356,3703510,5812615,9034001,13921551,21294946, 32364747,48915873,73576675,110213470,164508959, 244810154,363371304,538175735] |