n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 45 |
3 | 239 |
4 | 1154 |
5 | 5139 |
6 | 21374 |
7 | 83877 |
8 | 312913 |
9 | 1115334 |
10 | 3813001 |
11 | 12556041 |
12 | 39993741 |
13 | 123663399 |
14 | 372232239 |
15 | 1093036739 |
16 | 3136328324 |
17 | 8805588398 |
18 | 24218635622 |
19 | 65321490327 |
20 | 172947226965 |
21 | 449923333530 |
22 | 1151130040924 |
[1,8,45,239,1154,5139,21374,83877,312913,1115334, 3813001,12556041,39993741,123663399,372232239, 1093036739,3136328324,8805588398,24218635622, 65321490327,172947226965,449923333530, 1151130040924] |