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A268629 as a simple table

na(n)
13
25
37
413
517
619
723
831
941
1043
1147
1261
1371
1473
1579
1697
17103
18127
19191
20193
21223
22239
23241
24311
25313
26337
27409
28433
29439
30457
31479
32601
33719
34769
35839
36911
371009
381031
391033
401129
411151
421201
431249
441319
451321
461559
471801
482089
492281
502521
512689
522999
533049
543361
553529
563889

[3,5,7,13,17,19,23,31,41,43,47,61,71,73,79,97,103,
 127,191,193,223,239,241,311,313,337,409,433,439,
 457,479,601,719,769,839,911,1009,1031,1033,1129,
 1151,1201,1249,1319,1321,1559,1801,2089,2281,2521,
 2689,2999,3049,3361,3529,3889]