n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 10 |
3 | 39 |
4 | 156 |
5 | 651 |
6 | 2803 |
7 | 12218 |
8 | 54331 |
9 | 244094 |
10 | 1106978 |
11 | 5068058 |
12 | 23334902 |
13 | 108150502 |
14 | 503753548 |
15 | 2356387859 |
16 | 11069504275 |
17 | 52169455719 |
18 | 246667514552 |
19 | 1169587215167 |
20 | 5559341257547 |
21 | 26488381338623 |
22 | 126466805257309 |
23 | 604986670813445 |
24 | 2899284252998229 |
25 | 13916709926795557 |
26 | 66904010992079948 |
[1,3,10,39,156,651,2803,12218,54331,244094, 1106978,5068058,23334902,108150502,503753548, 2356387859,11069504275,52169455719,246667514552, 1169587215167,5559341257547,26488381338623, 126466805257309,604986670813445,2899284252998229, 13916709926795557,66904010992079948] |