n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 25 |
4 | 225 |
5 | 2704 |
6 | 41209 |
7 | 769129 |
8 | 17139600 |
9 | 447195609 |
10 | 13450200625 |
11 | 460457244900 |
12 | 17754399678409 |
13 | 764214897046969 |
14 | 36442551140059684 |
15 | 1912574337188517025 |
16 | 109833379421325769609 |
17 | 6866586647633870998416 |
18 | 465228769500062060333281 |
[1,1,4,25,225,2704,41209,769129,17139600, 447195609,13450200625,460457244900,17754399678409, 764214897046969,36442551140059684, 1912574337188517025,109833379421325769609, 6866586647633870998416,465228769500062060333281] |