n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 171 |
7 | 17066 |
8 | 1298346 |
9 | 83384427 |
10 | 4762648737 |
11 | 249485204452 |
12 | 12226539786912 |
13 | 568267449522773 |
14 | 25296121946918823 |
15 | 1086375882592194558 |
16 | 45264846407024660598 |
17 | 1837809636559394481439 |
18 | 72965749033508656346829 |
[0,0,0,0,1,171,17066,1298346,83384427,4762648737, 249485204452,12226539786912,568267449522773, 25296121946918823,1086375882592194558, 45264846407024660598,1837809636559394481439, 72965749033508656346829] |