n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 7 |
4 | 39 |
5 | 236 |
6 | 1836 |
7 | 16123 |
8 | 162008 |
9 | 1802945 |
10 | 22012335 |
11 | 291290460 |
12 | 4144907830 |
13 | 62986968311 |
14 | 1016584428612 |
15 | 17344929138791 |
16 | 311618472138440 |
17 | 5875109147135658 |
18 | 115894178676866576 |
19 | 2385755803919949337 |
20 | 51133201045333895149 |
21 | 1138659323863266945177 |
22 | 26296042933904490636133 |
[1,1,2,7,39,236,1836,16123,162008,1802945, 22012335,291290460,4144907830,62986968311, 1016584428612,17344929138791,311618472138440, 5875109147135658,115894178676866576, 2385755803919949337,51133201045333895149, 1138659323863266945177,26296042933904490636133] |