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A038031 as a simple table

na(n)
12
219
319
443
5103
643
7137
8149
9103
1083
1171
12233
13137
14149
15373
16389
17479
181021
19233
20647
21691
22487
23197
24419
252459
26619
27389
281543
291021
30647
31691
324349
331019
34419
354817
366581
373067
382939
396983
402389
418783
421489
432549
442459
452887
4611621

[2,19,19,43,103,43,137,149,103,83,71,233,137,149,
 373,389,479,1021,233,647,691,487,197,419,2459,619,
 389,1543,1021,647,691,4349,1019,419,4817,6581,
 3067,2939,6983,2389,8783,1489,2549,2459,2887,
 11621]