1 13
2 23
3 31
4 41
5 59
6 103
7 131
8 139
9 211
10 229
11 239
12 347
13 401
14 491
15 499
16 571
17 751
18 1021
19 1201
20 1229
21 1453
22 1489
23 1499
24 1741
25 2003
26 2011
27 3001
28 3821
29 4001
30 4639
31 4649
32 5701
33 7079
34 8951
35 10111
36 10247
37 10301
38 10499
39 14251
40 14639
41 16249
42 17321
43 19751
44 20011
45 20101
46 20749
47 21001
48 26501
49 32251
50 44851
51 45949
52 46049
53 47119
54 56921
55 63499
56 64499
57 71429
58 100003
59 101489
60 102001
61 118751
62 145949
63 200003
64 1000003
65 1003001
66 1011001
67 1020001
68 1100101
69 2000003
70 2100001
71 3464249
72 4483751
73 10010101
74 10100011
75 20000003
76 20001001
77 30000001
78 31968751
79 100030001
80 101001001