n | a(n) |
---|---|
1 | 1 |
2 | 9 |
3 | 11 |
4 | 89 |
5 | 91 |
6 | 109 |
7 | 111 |
8 | 889 |
9 | 891 |
10 | 909 |
11 | 911 |
12 | 1089 |
13 | 1091 |
14 | 1109 |
15 | 1111 |
16 | 8889 |
17 | 8891 |
18 | 8909 |
19 | 8911 |
20 | 9089 |
21 | 9091 |
22 | 9109 |
23 | 9111 |
24 | 10889 |
25 | 10891 |
26 | 10909 |
27 | 10911 |
28 | 11089 |
29 | 11091 |
30 | 11109 |
31 | 11111 |
32 | 88889 |
33 | 88891 |
34 | 88909 |
35 | 88911 |
36 | 89089 |
37 | 89091 |
38 | 89109 |
39 | 89111 |
40 | 90889 |
41 | 90891 |
42 | 90909 |
43 | 90911 |
[1,9,11,89,91,109,111,889,891,909,911,1089,1091, 1109,1111,8889,8891,8909,8911,9089,9091,9109,9111, 10889,10891,10909,10911,11089,11091,11109,11111, 88889,88891,88909,88911,89089,89091,89109,89111, 90889,90891,90909,90911] |