n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 8 |
3 | 22 |
4 | 92 |
5 | 316 |
6 | 1184 |
7 | 4264 |
8 | 15632 |
9 | 56848 |
10 | 207488 |
11 | 756064 |
12 | 2757056 |
13 | 10050496 |
14 | 36643328 |
15 | 133589632 |
16 | 487039232 |
17 | 1775616256 |
18 | 6473467904 |
19 | 23600633344 |
20 | 86042074112 |
21 | 313687948288 |
22 | 1143628341248 |
23 | 4169384372224 |
24 | 15200538791936 |
[1,1,8,22,92,316,1184,4264,15632,56848,207488, 756064,2757056,10050496,36643328,133589632, 487039232,1775616256,6473467904,23600633344, 86042074112,313687948288,1143628341248, 4169384372224,15200538791936] |