n | a(n) |
---|---|
1 | 2 |
2 | 3 |
3 | 5 |
4 | 7 |
5 | 11 |
6 | 31 |
7 | 71 |
8 | 73 |
9 | 97 |
10 | 101 |
11 | 701 |
12 | 941 |
13 | 971 |
14 | 991 |
15 | 9001 |
16 | 9601 |
17 | 9721 |
18 | 9931 |
19 | 9941 |
20 | 9967 |
21 | 70001 |
22 | 90001 |
23 | 93001 |
24 | 96001 |
25 | 97001 |
26 | 99401 |
27 | 99611 |
28 | 99721 |
29 | 99881 |
30 | 99923 |
31 | 99989 |
32 | 940001 |
33 | 972001 |
34 | 973001 |
35 | 996001 |
36 | 997001 |
37 | 999101 |
38 | 999331 |
39 | 999431 |
40 | 999631 |
41 | 999931 |
[2,3,5,7,11,31,71,73,97,101,701,941,971,991,9001, 9601,9721,9931,9941,9967,70001,90001,93001,96001, 97001,99401,99611,99721,99881,99923,99989,940001, 972001,973001,996001,997001,999101,999331,999431, 999631,999931] |