n | a(n) |
---|---|
0 | 0 |
1 | 18 |
2 | 810 |
3 | 21870 |
4 | 446148 |
5 | 7676370 |
6 | 117979902 |
7 | 1674039150 |
8 | 22384294920 |
9 | 285916320882 |
10 | 3521652245010 |
11 | 42113381995278 |
12 | 491427393476940 |
13 | 5617523480607090 |
14 | 63094193590782438 |
15 | 697970937800860110 |
[0,18,810,21870,446148,7676370,117979902, 1674039150,22384294920,285916320882,3521652245010, 42113381995278,491427393476940,5617523480607090, 63094193590782438,697970937800860110] |