n | a(n) |
---|---|
1 | 20 |
2 | 1312 |
3 | 23964 |
4 | 360912 |
5 | 5068384 |
6 | 68447552 |
7 | 900320160 |
8 | 11614790144 |
9 | 147614682208 |
10 | 1853886660416 |
11 | 23058698415136 |
12 | 284513215031168 |
13 | 3486867165130720 |
14 | 42487662072402880 |
15 | 515141200042010528 |
[20,1312,23964,360912,5068384,68447552,900320160, 11614790144,147614682208,1853886660416, 23058698415136,284513215031168,3486867165130720, 42487662072402880,515141200042010528] |