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A065259 as a simple table

na(n)
13
21
37
42
511
65
715
84
919
109
1123
126
1327
1413
1531
168
1735
1817
1939
2010
2143
2221
2347
2412
2551
2625
2755
2814
2959
3029
3163
3216
3367
3433
3571
3618
3775
3837
3979
4020
4183
4241
4387
4422
4591
4645
4795
4824
4999
5049
51103
5226
53107
5453
55111
5628
57115
5857
59119
6030
61123
6261
63127
6432
65131
6665
67135
6834
69139

[3,1,7,2,11,5,15,4,19,9,23,6,27,13,31,8,35,17,39,
 10,43,21,47,12,51,25,55,14,59,29,63,16,67,33,71,
 18,75,37,79,20,83,41,87,22,91,45,95,24,99,49,103,
 26,107,53,111,28,115,57,119,30,123,61,127,32,131,
 65,135,34,139]