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A220072 as a simple table

na(n)
12
25
32
47
511
631
713
819
989
1017
1137
1237
1343
1419
15137
1629
173
187
192
2019
2113
2259
23139
2437
252
26239
2731
28337
29487
3097
31337
3297
33307
34181
35223
3619
3779
38401
392
40491
41269
42211
4397
44193
45719
46149
4797
48191
4983
50613

[2,5,2,7,11,31,13,19,89,17,37,37,43,19,137,29,3,7,
 2,19,13,59,139,37,2,239,31,337,487,97,337,97,307,
 181,223,19,79,401,2,491,269,211,97,193,719,149,97,
 191,83,613]