n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 20 |
3 | 243 |
4 | 2800 |
5 | 33425 |
6 | 424116 |
7 | 5762155 |
8 | 83891648 |
9 | 1306561185 |
10 | 21709011700 |
11 | 383654149571 |
12 | 7189789929840 |
13 | 142465285362673 |
14 | 2976697773182420 |
15 | 65417312929686075 |
16 | 1508567496105346816 |
17 | 36425941390897897025 |
18 | 919100609186531702868 |
[0,1,20,243,2800,33425,424116,5762155,83891648, 1306561185,21709011700,383654149571,7189789929840, 142465285362673,2976697773182420, 65417312929686075,1508567496105346816, 36425941390897897025,919100609186531702868] |