n | a(n) |
---|---|
1 | 5 |
2 | 10 |
3 | 60 |
4 | 168 |
5 | 953 |
6 | 5304 |
7 | 29481 |
8 | 168320 |
9 | 990468 |
10 | 5920658 |
11 | 36118925 |
12 | 223452736 |
13 | 1398014617 |
14 | 8822174770 |
15 | 56061936636 |
16 | 358120024848 |
17 | 2296837339689 |
18 | 14776222949736 |
19 | 95279221861053 |
20 | 615439624491192 |
21 | 3980504657629172 |
[5,10,60,168,953,5304,29481,168320,990468,5920658, 36118925,223452736,1398014617,8822174770, 56061936636,358120024848,2296837339689, 14776222949736,95279221861053,615439624491192, 3980504657629172] |