n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 39 |
3 | 261 |
4 | 1779 |
5 | 12288 |
6 | 85734 |
7 | 602871 |
8 | 4265859 |
9 | 30338604 |
10 | 216677490 |
11 | 1552999242 |
12 | 11164548078 |
13 | 80471658192 |
14 | 581340627372 |
15 | 4208086875915 |
16 | 30514467991011 |
17 | 221620953353844 |
18 | 1611867544369146 |
[1,6,39,261,1779,12288,85734,602871,4265859, 30338604,216677490,1552999242,11164548078, 80471658192,581340627372,4208086875915, 30514467991011,221620953353844,1611867544369146] |