n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 4 |
4 | 21 |
5 | 131 |
6 | 914 |
7 | 6910 |
8 | 55477 |
9 | 466729 |
10 | 4076430 |
11 | 36712325 |
12 | 339195058 |
13 | 3202515525 |
14 | 30803440806 |
15 | 301094270964 |
16 | 2984903334517 |
17 | 29961600364523 |
18 | 304094354787062 |
19 | 3117138919265903 |
20 | 32238856059792302 |
21 | 336132907436386486 |
22 | 3530470987229030696 |
23 | 37330864330583904876 |
24 | 397168915877285183906 |
[1,1,1,4,21,131,914,6910,55477,466729,4076430, 36712325,339195058,3202515525,30803440806, 301094270964,2984903334517,29961600364523, 304094354787062,3117138919265903, 32238856059792302,336132907436386486, 3530470987229030696,37330864330583904876, 397168915877285183906] |