n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 3 |
4 | 19 |
5 | 191 |
6 | 2646 |
7 | 46737 |
8 | 1003150 |
9 | 25330125 |
10 | 735180292 |
11 | 24103027865 |
12 | 880627477269 |
13 | 35469795883964 |
14 | 1561107221731851 |
15 | 74528004538789830 |
16 | 3835467005270307663 |
17 | 211648845813188932595 |
18 | 12465477924609075602136 |
[1,1,1,3,19,191,2646,46737,1003150,25330125, 735180292,24103027865,880627477269,35469795883964, 1561107221731851,74528004538789830, 3835467005270307663,211648845813188932595, 12465477924609075602136] |