n | a(n) |
---|---|
0 | 1 |
1 | 20 |
2 | 400 |
3 | 8902 |
4 | 197281 |
5 | 4865617 |
6 | 119060679 |
7 | 3195913043 |
8 | 84999425906 |
9 | 2439540533153 |
10 | 69353270203366 |
11 | 2097660204806910 |
12 | 62855340727822758 |
13 | 1981075507583376209 |
[1,20,400,8902,197281,4865617,119060679, 3195913043,84999425906,2439540533153, 69353270203366,2097660204806910,62855340727822758, 1981075507583376209] |