n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 16 |
4 | 139 |
5 | 1750 |
6 | 29388 |
7 | 624889 |
8 | 16255738 |
9 | 504717929 |
10 | 18353177160 |
11 | 769917601384 |
12 | 36803030137203 |
13 | 1984024379014193 |
14 | 119571835094300406 |
15 | 7995677265437541258 |
16 | 589356399302126773920 |
17 | 47609742627231823142029 |
18 | 4193665147256300117666879 |
[1,1,3,16,139,1750,29388,624889,16255738, 504717929,18353177160,769917601384,36803030137203, 1984024379014193,119571835094300406, 7995677265437541258,589356399302126773920, 47609742627231823142029,4193665147256300117666879] |