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A139686 as a simple table

na(n)
13
211
35
423
535
69
739
811
951
107
1115
1283
1395
1499
1537
1629
17119
18131
19135
20155
2121
22179
23183
24191
2543
2673
27231
28239
29243
30251
31299
3225
33303
3445
35323
36359
37121
38371
39375
40411
41419
42431
4355
44443
4591
46153
47117
48483
49491
50495
51515
52519
53531
54543
5529
56575
57611
58615
59639

[3,11,5,23,35,9,39,11,51,7,15,83,95,99,37,29,119,
 131,135,155,21,179,183,191,43,73,231,239,243,251,
 299,25,303,45,323,359,121,371,375,411,419,431,55,
 443,91,153,117,483,491,495,515,519,531,543,29,575,
 611,615,639]