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A237439 as a simple table

na(n)
12
23
35
47
559
661
797
8101
9151
10257
11599
12647
13829
141163
151499
161999
172351
182467
192531
202897
212903
223001
233373
244783
254813
265683
276317
286857
296997
307759
318563
328837
338963
349203
359463
369497
379521
3810903
3910957

[2,3,5,7,59,61,97,101,151,257,599,647,829,1163,
 1499,1999,2351,2467,2531,2897,2903,3001,3373,4783,
 4813,5683,6317,6857,6997,7759,8563,8837,8963,9203,
 9463,9497,9521,10903,10957]