n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 4 |
4 | 16 |
5 | 153 |
6 | 71838 |
7 | 5965398 |
8 | 2614508085 |
9 | 9822629511079 |
10 | 28751930151895611 |
11 | 162231215752303027270 |
12 | 32813942272624544838651213 |
13 | 1257159787425487037702548758466 |
[1,1,4,16,153,71838,5965398,2614508085, 9822629511079,28751930151895611, 162231215752303027270,32813942272624544838651213, 1257159787425487037702548758466] |