n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 19 |
5 | 92 |
6 | 543 |
7 | 3741 |
8 | 29513 |
9 | 262341 |
10 | 2594262 |
11 | 28248627 |
12 | 335844793 |
13 | 4328666215 |
14 | 60120364101 |
15 | 895125421053 |
16 | 14222548356739 |
17 | 240203038913808 |
18 | 4296965473902563 |
19 | 81164903395937306 |
20 | 1614279745319197539 |
21 | 33720510235556570814 |
[1,1,2,5,19,92,543,3741,29513,262341,2594262, 28248627,335844793,4328666215,60120364101, 895125421053,14222548356739,240203038913808, 4296965473902563,81164903395937306, 1614279745319197539,33720510235556570814] |