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A245639 as a simple table

na(n)
12
23
35
411
517
619
723
831
959
1067
1179
1289
13103
14107
15137
16173
17193
18229
19233
20241
21257
22263
23271
24311
25317
26353
27359
28383
29409
30431
31479
32509
33521
34523
35541
36563
37569
38577
39593
40599
41613
42641
43709
44739
45751
46787
47829
48887
49907
50919
51947
52971
53983
541033

[2,3,5,11,17,19,23,31,59,67,79,89,103,107,137,173,
 193,229,233,241,257,263,271,311,317,353,359,383,
 409,431,479,509,521,523,541,563,569,577,593,599,
 613,641,709,739,751,787,829,887,907,919,947,971,
 983,1033]