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A201131 as a simple table

na(n)
13
21
311
41
55
619
79
81
911
1015
119
1269
1327
1421
1577
1685
1753
181
195
20201
219
2243
2393
24403
2545
2687
2717
2863
2945
3015
3123
329
3317
34273
3551
3631
37111
38277
3945
4039
4151
42229
439
44109
4529
46357
4781
481
49237
5033
51137
52169
53137
54847
5575
56367
5757
5887
59285
6025
61105
62177
63113
641

[3,1,11,1,5,19,9,1,11,15,9,69,27,21,77,85,53,1,5,
 201,9,43,93,403,45,87,17,63,45,15,23,9,17,273,51,
 31,111,277,45,39,51,229,9,109,29,357,81,1,237,33,
 137,169,137,847,75,367,57,87,285,25,105,177,113,1]