n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 16 |
5 | 46 |
6 | 193 |
7 | 622 |
8 | 2701 |
9 | 9325 |
10 | 42182 |
11 | 154184 |
12 | 711849 |
13 | 2705836 |
14 | 12670859 |
15 | 49549930 |
16 | 234642749 |
17 | 938567225 |
18 | 4481414935 |
19 | 18256143420 |
20 | 87727604158 |
21 | 362745516847 |
22 | 1752161026619 |
23 | 7335659037548 |
24 | 35582376864192 |
25 | 150551110627071 |
26 | 732790706277408 |
27 | 3128696622216073 |
28 | 15272684090284663 |
[1,1,2,4,16,46,193,622,2701,9325,42182,154184, 711849,2705836,12670859,49549930,234642749, 938567225,4481414935,18256143420,87727604158, 362745516847,1752161026619,7335659037548, 35582376864192,150551110627071,732790706277408, 3128696622216073,15272684090284663] |