n | a(n) |
---|---|
1 | 2 |
2 | 18 |
3 | 180 |
4 | 2184 |
5 | 28440 |
6 | 385316 |
7 | 5358022 |
8 | 75912216 |
9 | 1090973732 |
10 | 15858156696 |
11 | 232676544078 |
12 | 3440947655952 |
13 | 51232791119120 |
14 | 767336873453826 |
15 | 11552848716881830 |
16 | 174745834818648930 |
17 | 2654168057004043584 |
[2,18,180,2184,28440,385316,5358022,75912216, 1090973732,15858156696,232676544078,3440947655952, 51232791119120,767336873453826,11552848716881830, 174745834818648930,2654168057004043584] |