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A264731 as a simple table

na(n)
12
23
35
47
513
611
719
837
929
1017
1153
1289
1371
1443
1523
16131
17223
18173
19107
2061
2131
22311
23503
24409
25263
26151
2779
2841
29719
301163
31941
32613
33359
34193
35101
3647
371619
382657
392129
401423
41827
42457
43239
44113
4559
463671
475849
484751
493167
501877
511049
52569
53281
54139
5567

[2,3,5,7,13,11,19,37,29,17,53,89,71,43,23,131,223,
 173,107,61,31,311,503,409,263,151,79,41,719,1163,
 941,613,359,193,101,47,1619,2657,2129,1423,827,
 457,239,113,59,3671,5849,4751,3167,1877,1049,569,
 281,139,67]