n | a(n) |
---|---|
1 | 31 |
2 | 71 |
3 | 73 |
4 | 137 |
5 | 211 |
6 | 311 |
7 | 419 |
8 | 421 |
9 | 647 |
10 | 877 |
11 | 1117 |
12 | 1487 |
13 | 1979 |
14 | 2447 |
15 | 3079 |
16 | 3547 |
17 | 4027 |
18 | 7307 |
19 | 7309 |
20 | 12211 |
21 | 14243 |
22 | 18911 |
23 | 18913 |
24 | 23557 |
25 | 25439 |
26 | 28729 |
27 | 36683 |
28 | 37831 |
29 | 46853 |
30 | 50411 |
31 | 53129 |
32 | 55457 |
33 | 57367 |
34 | 60251 |
35 | 67339 |
36 | 70489 |
37 | 74797 |
38 | 89669 |
39 | 98909 |
40 | 98911 |
[31,71,73,137,211,311,419,421,647,877,1117,1487, 1979,2447,3079,3547,4027,7307,7309,12211,14243, 18911,18913,23557,25439,28729,36683,37831,46853, 50411,53129,55457,57367,60251,67339,70489,74797, 89669,98909,98911] |