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A075557 as a simple table

na(n)
13
25
37
413
537
631
723
817
953
1011
11251
1229
1379
1443
1573
1661
1797
1867
19107
20173
2159
22103
23199
24163
2571
26149
2747
28101
29509
3089
31151
32283
33229
34271
35211
36109
37257
38113
39269
40157
41241
42331
4383
44389
4541
46313
471543
4819
49307
50463
51373
52277
53811
54457
55137
56191
57419
58311
59197

[3,5,7,13,37,31,23,17,53,11,251,29,79,43,73,61,97,
 67,107,173,59,103,199,163,71,149,47,101,509,89,
 151,283,229,271,211,109,257,113,269,157,241,331,
 83,389,41,313,1543,19,307,463,373,277,811,457,137,
 191,419,311,197]