n | a(n) |
---|---|
1 | 1 |
2 | 81 |
3 | 11881 |
4 | 811801 |
5 | 1018081 |
6 | 81018001 |
7 | 100180081 |
8 | 108180801 |
9 | 8100180001 |
10 | 10001800081 |
11 | 10181011801 |
12 | 810001800001 |
13 | 1000018000081 |
14 | 1008018008001 |
15 | 80181118180881 |
16 | 81000018000001 |
17 | 100000180000081 |
18 | 100180101018001 |
19 | 1180000888001881 |
20 | 8100000180000001 |
21 | 10000001800000081 |
[1,81,11881,811801,1018081,81018001,100180081, 108180801,8100180001,10001800081,10181011801, 810001800001,1000018000081,1008018008001, 80181118180881,81000018000001,100000180000081, 100180101018001,1180000888001881,8100000180000001, 10000001800000081] |