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A056206 as a simple table

na(n)
02
13
23
33
43
55
63
73
87
911
107
115
123
1317
1437
153
163
1729
183
1953
207
2117
2267
2311
2443
2541
2697
2729
283
2911
303
3111
3261
3317
3479
3553
3631
3729
387
3923
4097
4171
42277
4329
447
4559
46127
475
4861
49191
50193
51101
5237
535
54163
553
5697
57131
58577
59131
60151
61197
62193
6329
6413
65131
66709
673
6861

[2,3,3,3,3,5,3,3,7,11,7,5,3,17,37,3,3,29,3,53,7,
 17,67,11,43,41,97,29,3,11,3,11,61,17,79,53,31,29,
 7,23,97,71,277,29,7,59,127,5,61,191,193,101,37,5,
 163,3,97,131,577,131,151,197,193,29,13,131,709,3,
 61]