n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 19 |
5 | 93 |
6 | 544 |
7 | 3742 |
8 | 29514 |
9 | 262342 |
10 | 2594262 |
11 | 28248628 |
12 | 335844793 |
13 | 4328666216 |
14 | 60120364101 |
15 | 895125421054 |
16 | 14222548356739 |
17 | 240203038913808 |
18 | 4296965473902564 |
19 | 81164903395937307 |
20 | 1614279745319197539 |
[1,1,2,5,19,93,544,3742,29514,262342,2594262, 28248628,335844793,4328666216,60120364101, 895125421054,14222548356739,240203038913808, 4296965473902564,81164903395937307, 1614279745319197539] |