n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 14 |
4 | 45 |
5 | 164 |
6 | 667 |
7 | 2986 |
8 | 14551 |
9 | 76498 |
10 | 430747 |
11 | 2582448 |
12 | 16403029 |
13 | 109918746 |
14 | 774289169 |
15 | 5715471606 |
16 | 44087879137 |
17 | 354521950932 |
18 | 2965359744447 |
19 | 25749723493074 |
20 | 231719153184019 |
21 | 2157494726318234 |
22 | 20753996174222511 |
23 | 205985762120971168 |
24 | 2106795754056142537 |
[1,2,5,14,45,164,667,2986,14551,76498,430747, 2582448,16403029,109918746,774289169,5715471606, 44087879137,354521950932,2965359744447, 25749723493074,231719153184019,2157494726318234, 20753996174222511,205985762120971168, 2106795754056142537] |