n | a(n) |
---|---|
1 | 9 |
2 | 81 |
3 | 841 |
4 | 8649 |
5 | 64009 |
6 | 0 |
7 | 4004001 |
8 | 0 |
9 | 900000000 |
10 | 0 |
11 | 40000400001 |
12 | 0 |
13 | 9000000000000 |
14 | 0 |
15 | 400000040000001 |
16 | 0 |
17 | 90000000000000000 |
18 | 0 |
19 | 4000000004000000001 |
20 | 0 |
21 | 900000000000000000000 |
22 | 0 |
23 | 40000000000400000000001 |
[9,81,841,8649,64009,0,4004001,0,900000000,0, 40000400001,0,9000000000000,0,400000040000001,0, 90000000000000000,0,4000000004000000001,0, 900000000000000000000,0,40000000000400000000001] |