n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 33 |
4 | 281 |
5 | 2961 |
6 | 37277 |
7 | 546193 |
8 | 9132865 |
9 | 171634161 |
10 | 3581539973 |
11 | 82171451025 |
12 | 2055919433081 |
13 | 55710251353953 |
14 | 1625385528173693 |
15 | 50800411296363617 |
16 | 1693351638586070209 |
17 | 59966271207156833313 |
18 | 2248276994650395873861 |
19 | 88969158875611127548481 |
[1,1,5,33,281,2961,37277,546193,9132865,171634161, 3581539973,82171451025,2055919433081, 55710251353953,1625385528173693,50800411296363617, 1693351638586070209,59966271207156833313, 2248276994650395873861,88969158875611127548481] |