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A031216 as a simple table

na(n)
12
23
35
47
512
614
718
820
925
1031
1134
1240
1345
1447
1551
1658
1764
1867
1973
2078
2180
2286
2391
2497
25106
26122
27124
28128
29130
30135
31150
32155
33161
34163
35174
36177
37183
38190
39194
40201
41207
42210
43221
44223
45227
46229
47254
48267
49271
50273
51278
52284
53287
54298
55304
56311

[2,3,5,7,12,14,18,20,25,31,34,40,45,47,51,58,64,
 67,73,78,80,86,91,97,106,122,124,128,130,135,150,
 155,161,163,174,177,183,190,194,201,207,210,221,
 223,227,229,254,267,271,273,278,284,287,298,304,
 311]