n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 4 |
7 | 31 |
8 | 199 |
9 | 1313 |
10 | 9158 |
11 | 68336 |
12 | 546697 |
13 | 4682870 |
14 | 42818887 |
15 | 416581477 |
16 | 4298371842 |
17 | 46896673051 |
18 | 539527125454 |
19 | 6528590200432 |
20 | 82900013695783 |
21 | 1102289694637302 |
22 | 15317689255215159 |
23 | 222056321177147564 |
24 | 3352587738814695770 |
[1,0,0,0,0,4,31,199,1313,9158,68336,546697, 4682870,42818887,416581477,4298371842,46896673051, 539527125454,6528590200432,82900013695783, 1102289694637302,15317689255215159, 222056321177147564,3352587738814695770] |