n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 16 |
4 | 121 |
5 | 1196 |
6 | 14593 |
7 | 211884 |
8 | 3564177 |
9 | 68088880 |
10 | 1454676641 |
11 | 34335669820 |
12 | 886637924569 |
13 | 24846347615792 |
14 | 750534094219393 |
15 | 24299661162891796 |
16 | 839155129170873505 |
17 | 30780528267862736320 |
18 | 1194857640269127135937 |
[1,1,3,16,121,1196,14593,211884,3564177,68088880, 1454676641,34335669820,886637924569, 24846347615792,750534094219393,24299661162891796, 839155129170873505,30780528267862736320, 1194857640269127135937] |