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A108696 as a simple table

na(n)
11
22
33
45
57
611
713
819
923
1031
1135
1243
1349
1459
1561
1679
1783
18103
19109
20119
21133
22151
23155
24175
25193
26211
27215
28241
29259
30275
31283
32323
33331
34361
35373
36403
37419
38443
39455
40499
41511
42541
43571
44613
45623
46649
47673
48719
49733
50781
51803
52841
53871
54919

[1,2,3,5,7,11,13,19,23,31,35,43,49,59,61,79,83,
 103,109,119,133,151,155,175,193,211,215,241,259,
 275,283,323,331,361,373,403,419,443,455,499,511,
 541,571,613,623,649,673,719,733,781,803,841,871,
 919]