n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 18 |
4 | 93 |
5 | 650 |
6 | 5825 |
7 | 64486 |
8 | 858525 |
9 | 13460814 |
10 | 244360845 |
11 | 5063982498 |
12 | 118379934453 |
13 | 3090176655290 |
14 | 89294118056273 |
15 | 2834776197278278 |
16 | 98222473389128821 |
17 | 3693056479700344798 |
18 | 149906848766779722109 |
[1,2,5,18,93,650,5825,64486,858525,13460814, 244360845,5063982498,118379934453,3090176655290, 89294118056273,2834776197278278,98222473389128821, 3693056479700344798,149906848766779722109] |