n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 18 |
4 | 125 |
5 | 1027 |
6 | 8435 |
7 | 71564 |
8 | 622882 |
9 | 5516130 |
10 | 49495432 |
11 | 448855139 |
12 | 4106164356 |
13 | 37838546363 |
14 | 350849788546 |
15 | 3270531245684 |
16 | 30628143485953 |
17 | 287992070079777 |
18 | 2717649138419586 |
19 | 25726964404879666 |
20 | 244242934202964444 |
21 | 2324722877951987037 |
22 | 22178433287546997612 |
[1,4,18,125,1027,8435,71564,622882,5516130, 49495432,448855139,4106164356,37838546363, 350849788546,3270531245684,30628143485953, 287992070079777,2717649138419586, 25726964404879666,244242934202964444, 2324722877951987037,22178433287546997612] |