n | a(n) |
---|---|
0 | 1 |
1 | 20 |
2 | 281 |
3 | 3460 |
4 | 40161 |
5 | 453300 |
6 | 5048041 |
7 | 55853540 |
8 | 616079921 |
9 | 6785596180 |
10 | 74686191801 |
11 | 821775473220 |
12 | 9040683799681 |
13 | 99453356876660 |
14 | 1094016369479561 |
15 | 12034328357198500 |
16 | 132378357688767441 |
[1,20,281,3460,40161,453300,5048041,55853540, 616079921,6785596180,74686191801,821775473220, 9040683799681,99453356876660,1094016369479561, 12034328357198500,132378357688767441] |