n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 16 |
4 | 125 |
5 | 1171 |
6 | 12965 |
7 | 166836 |
8 | 2455121 |
9 | 40675881 |
10 | 749029635 |
11 | 15173252268 |
12 | 335303622765 |
13 | 8026962584007 |
14 | 206940524177025 |
15 | 5716136927184348 |
16 | 168418082791822545 |
17 | 5272347013042009125 |
18 | 174760355153742270543 |
19 | 6114528211048906800708 |
20 | 225195326302815011830005 |
[1,1,3,16,125,1171,12965,166836,2455121,40675881, 749029635,15173252268,335303622765,8026962584007, 206940524177025,5716136927184348, 168418082791822545,5272347013042009125, 174760355153742270543,6114528211048906800708, 225195326302815011830005] |