n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 5 |
5 | 7 |
6 | 37 |
7 | 104 |
8 | 766 |
9 | 3970 |
10 | 43318 |
11 | 431932 |
12 | 7695805 |
13 | 137066448 |
14 | 4015896016 |
15 | 128095791922 |
16 | 6371333036059 |
17 | 355704307903818 |
18 | 30153126159555641 |
19 | 2952926822418475378 |
20 | 431453249608567040694 |
21 | 73569487283165427567144 |
22 | 18558756256964594960321428 |
[1,1,1,5,7,37,104,766,3970,43318,431932,7695805, 137066448,4015896016,128095791922,6371333036059, 355704307903818,30153126159555641, 2952926822418475378,431453249608567040694, 73569487283165427567144, 18558756256964594960321428] |