n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 3 |
4 | 14 |
5 | 81 |
6 | 554 |
7 | 4175 |
8 | 33894 |
9 | 292482 |
10 | 2658803 |
11 | 25312031 |
12 | 251337905 |
13 | 2595476384 |
14 | 27814372541 |
15 | 308814996237 |
16 | 3547597450937 |
17 | 42121414823717 |
18 | 516406224737906 |
19 | 6531681539263289 |
20 | 85162992707351910 |
21 | 1143744473741844428 |
22 | 15809784290241899546 |
23 | 224756696173450416445 |
24 | 3283701348287927969258 |
25 | 49267186208121297961411 |
26 | 758541179347396245098635 |
27 | 11976195590135148979244826 |
28 | 193765334786286246261399910 |
[1,1,1,3,14,81,554,4175,33894,292482,2658803, 25312031,251337905,2595476384,27814372541, 308814996237,3547597450937,42121414823717, 516406224737906,6531681539263289, 85162992707351910,1143744473741844428, 15809784290241899546,224756696173450416445, 3283701348287927969258,49267186208121297961411, 758541179347396245098635, 11976195590135148979244826, 193765334786286246261399910] |