n | a(n) |
---|---|
1 | 2 |
2 | 16 |
3 | 102 |
4 | 596 |
5 | 3713 |
6 | 22742 |
7 | 139212 |
8 | 853186 |
9 | 5231300 |
10 | 32071177 |
11 | 196597389 |
12 | 1205159672 |
13 | 7387795113 |
14 | 45288409942 |
15 | 277625447176 |
16 | 1701887549750 |
17 | 10432835696321 |
18 | 63954921521562 |
19 | 392053737458675 |
20 | 2403351095713061 |
[2,16,102,596,3713,22742,139212,853186,5231300, 32071177,196597389,1205159672,7387795113, 45288409942,277625447176,1701887549750, 10432835696321,63954921521562,392053737458675, 2403351095713061] |