n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 9 |
3 | 58 |
4 | 501 |
5 | 5402 |
6 | 69909 |
7 | 1055458 |
8 | 18211401 |
9 | 353506802 |
10 | 7624471809 |
11 | 180889942858 |
12 | 4681743794301 |
13 | 131269240120202 |
14 | 3963720131525709 |
15 | 128234893954822258 |
16 | 4425253713052509201 |
17 | 162255367355408805602 |
18 | 6299173242134303391609 |
19 | 258136328705500135053658 |
[1,2,9,58,501,5402,69909,1055458,18211401, 353506802,7624471809,180889942858,4681743794301, 131269240120202,3963720131525709, 128234893954822258,4425253713052509201, 162255367355408805602,6299173242134303391609, 258136328705500135053658] |