n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 4 |
4 | 17 |
5 | 123 |
6 | 739 |
7 | 8888 |
8 | 71105 |
9 | 1066698 |
10 | 13867091 |
11 | 249608380 |
12 | 2995300561 |
13 | 83868424715 |
14 | 1174157946011 |
15 | 28179790775372 |
16 | 676314978609683 |
17 | 20965764337966871 |
18 | 377383758083403679 |
19 | 14717966565266619443 |
20 | 294359331305332388861 |
21 | 12363091914824209940661 |
22 | 395618941274374718172273 |
[1,1,4,17,123,739,8888,71105,1066698,13867091, 249608380,2995300561,83868424715,1174157946011, 28179790775372,676314978609683,20965764337966871, 377383758083403679,14717966565266619443, 294359331305332388861,12363091914824209940661, 395618941274374718172273] |