n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 11 |
3 | 38 |
4 | 129 |
5 | 429 |
6 | 1407 |
7 | 4563 |
8 | 14669 |
9 | 46823 |
10 | 148587 |
11 | 469226 |
12 | 1475669 |
13 | 4624437 |
14 | 14447703 |
15 | 45017082 |
16 | 139937301 |
17 | 434093367 |
18 | 1344076131 |
19 | 4154688864 |
20 | 12823246677 |
21 | 39524238741 |
22 | 121671304191 |
23 | 374126377473 |
24 | 1149197708385 |
25 | 3526577233659 |
26 | 10812501524627 |
27 | 33123904911608 |
[1,3,11,38,129,429,1407,4563,14669,46823,148587, 469226,1475669,4624437,14447703,45017082, 139937301,434093367,1344076131,4154688864, 12823246677,39524238741,121671304191,374126377473, 1149197708385,3526577233659,10812501524627, 33123904911608] |