n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 10 |
4 | 34 |
5 | 162 |
6 | 1090 |
7 | 10370 |
8 | 139522 |
9 | 2654722 |
10 | 71435266 |
11 | 2718435330 |
12 | 146299424770 |
13 | 11134711111682 |
14 | 1198484887715842 |
15 | 182431106853797890 |
16 | 39271952800672710658 |
17 | 11955805018770498519042 |
18 | 5147453397489773531365378 |
[1,2,4,10,34,162,1090,10370,139522,2654722, 71435266,2718435330,146299424770,11134711111682, 1198484887715842,182431106853797890, 39271952800672710658,11955805018770498519042, 5147453397489773531365378] |