n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 12 |
4 | 124 |
5 | 1844 |
6 | 39288 |
7 | 1134928 |
8 | 42346256 |
9 | 1985443536 |
10 | 114380311072 |
11 | 7938644848832 |
12 | 653292526793664 |
13 | 62901472582993984 |
14 | 7005466255571255168 |
15 | 893590563265303934208 |
16 | 129425758313629525647616 |
17 | 21124489015640181154724096 |
18 | 3859303832272520341300756992 |
[1,1,2,12,124,1844,39288,1134928,42346256, 1985443536,114380311072,7938644848832, 653292526793664,62901472582993984, 7005466255571255168,893590563265303934208, 129425758313629525647616, 21124489015640181154724096, 3859303832272520341300756992] |